PDF malware analysis — malicious · 975f75c4772ac8d7

MALICIOUS

PDF

90.3 KB Created: 2021-06-27 16:53:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: bf8628312ce839ed6bf27fba0aa32d2b SHA-1: 83e628adbdfae6498dd25bcf9f2777cb69912c85 SHA-256: 975f75c4772ac8d7bb5791a8318bc74010dff5124eed1eb3cbb87735a135447e

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing and advance-fee scam lure, likely delivered as a spearphishing attachment. It contains numerous links to disposable hosting and compromised CMS upload directories, suggesting an attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9822

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://nomylo.ru/uplcv?utm_term=smile+that+launched+a+thousand+ships PDF link annotation
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88142207633.pdfIn PDF document text
- http://jcon-aps.dk/userfiles/file/61394395796.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/r9o02m54u39q0vf1itvgu702pp/panimovijiwuwobuze.pdfIn PDF document text
- http://nessium.fr/userfiles/file/konerutaxewunelapipidolif.pdfIn PDF document text
- https://asi-filter.pl/files/file/6235598065.pdfIn PDF document text
- http://bycongroup.com/UserFiles/file/95766776563.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/vc62vgc2o64kcghikk2ilj9ngo/kizabupoweni.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/e9e88aaa928ff7096bade4dbe2ca1020/mamesaten.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/37512433651.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b88b2afa54---55027267264.pdfIn PDF document text
- https://client-sms.com/ckfinder/userfiles/files/wenarabigifunanuxek.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/2qrnlonvamdtkhaltltv2glau5/90848003998.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/uv4n9k4bv1r4sdncqep7e54a6m/jemewamet.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/gevigorujugaboborodubo.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3392deaaf9---wulitupumesape.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/837fdfa6f80b57204f25abf9436fb375/xegelavujetopubosalubeja.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad1983518d---moxowase.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/l9vpljpsuisobcdeq69fajhjm2/nudawepiliwinuwuvax.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1587de462015026142dbcebf8657eb8f/bamimujoritamodoraxup.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4eb26a532---nabufakev.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/05db4b5f1e5a8742abeef11ec192fd67/28714142513.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609e115d21452---fibedavufavegonojumuke.pdfIn PDF document text
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/4d2f99179a765720e2e80778c5c3d48b/76551050480.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/a5bah85p8kjo69hvddi9rnbk5r/pasedomusi.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/e03qln5vnnikeql4k4dhnusq2d/78959285949.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2887c0ad3d---jowimedawunabelibasaja.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/55002036820.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/708d2f71cf4e37d1b7915977c9ffae28/50837804655.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000fcc7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFCC7	10852 bytes
SHA-256: `6067c2417d30cee669ed5425b411e0d6ef0cfd146c614617fe78bf8468c51726`
`font_01_sfnt_off00011596.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11596	17656 bytes
SHA-256: `5e12384dbbaf1181e4a997d1781e2183de1a62462b62760684f3ab8eddf7eb9f`
`font_02_sfnt_off0001435e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1435E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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