MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. These URLs are structured as a link farm, a common technique for SEO poisoning or redirecting users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9787
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 https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/v1aa4lnqfqnc1kgcv5ctc1bniv/73478417195.pdf In PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/suketigubodininovizotitis.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ce2e5101577---vufidipapuziwe.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c42e63c3d---japonawi.pdfIn PDF document text
- http://paulsaperstein.com/userfiles/files/xovoxifoj.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/80vtsudnpe1kok92f3l2fbd266/34040036544.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/9inrr54loft8rincede5t5tb73/nagepo.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/8d2e9152656a378f1b34b5c66d84c003/56979132941.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/rojawovegatoradofujosodol.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c2a232eda---40516916801.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a296860385---53836791555.pdfIn PDF document text
- https://iamtimeshare.com/userfiles/file/76633918014.pdfIn PDF document text
- http://iworking.vn/uploads/files/51342287719.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/58060832830.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/30ccec939af45c5ff8f89d1c03ee4de9/84010269749.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b92e65ddbc6---64065218174.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087f6497fc2c---zisexebisarolijo.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/12208555224.pdfIn PDF document text
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608338d7496ad---nolefibowajedupazepewu.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a64e6fdea5b---63596804351.pdfIn PDF document text
- http://sivam.pl/files/file/nomevafiniro.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/6e01m7isqnc66s29c336ff7os1/zedokevunimud.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/50348222655.pdfIn PDF document text
- http://polyalpan.hu/_user/file/pariwekikik.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501153053906285.pdfIn PDF document text
- http://ventss.ru/userfiles/files/bozugefomot.pdfIn PDF document text
- https://pypconsultores.mx/userfiles/file/bidulotiweporitex.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=trimming+mustache+under+nosePDF 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_off000123ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BC5 | 10832 bytes |
SHA-256: 3850fe228e7ab1c00209e095cf1f577f4061442a3b46470014153758b4860a91 |
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font_02_sfnt_off00015462.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15462 | 17796 bytes |
SHA-256: e18c7a90d36b26fd8a032e6cff406b0f725f251af396cc996c83c6605490a859 |
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