MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous external URLs, some hosted on compromised CMS uploads. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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 http://myblindz.com/fck_user_files/file/vixinekelebosedov.pdf In PDF document text
- http://www.herbertvanderbrugghen.nl/draft/84152148676.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d3959d713f0---nidive.pdfIn PDF document text
- http://vhz.cz/user-files/92653539326.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/kawakutov.pdfIn PDF document text
- http://bygreenpure.com/userfiles/file/96066530788.pdfIn PDF document text
- http://rrmkaryacollege.org/rrmkarya/userfiles/file/negegekegamewafogiwo.pdfIn PDF document text
- https://interstudy.net/userfiles/file/42914646181.pdfIn PDF document text
- https://chokysitohang.com/Uploads/userfiles/files/29027953697.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/pq6f2gqhdqi63d67r58scp3ar2/91088042031.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832bdd89496---bunaxebonudolaw.pdfIn PDF document text
- http://bellina.pl/userfiles/file/sawopokuto.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/sugevejabirezavodofur.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d03045a2d---nunizesa.pdfIn PDF document text
- https://ijtm.in/userfiles/file/77311019442.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76123054737.pdfIn PDF document text
- http://szigmetal.hu/editor_up/81878122611.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160987a068c2e5---xafasewisujurij.pdfIn PDF document text
- http://1hozain.ru/files/userfiles/files/40524230113.pdfIn PDF document text
- http://interwork.sk/userfiles/file/30207176831.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5aedcd0e669732ade926481130ab6399/26649346813.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/70877943707.pdfIn PDF document text
- http://texmet.pl/userimages/file/bitigomerunukawisedujuwo.pdfIn PDF document text
- http://www.aragonemprendedor.com/userfiles/files/gelomezetibamu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=jazz+guitar+licks+book+pdfPDF link annotation
- 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_off0000e7fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FC | 19116 bytes |
SHA-256: eab65d4e204eeb8ecb1b0e476f884c1fee07cc808260f4c211999d9c651fe129 |
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font_01_sfnt_off00011a2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13241 | 10940 bytes |
SHA-256: abff0fa97ede629ac459b3e7ef68251a80e2207051118fd7c714a2cab96b83c3 |
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