MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external PDFs hosted on compromised WordPress sites and disposable domains, suggesting a link farm designed to distribute further malicious content or phish for credentials. The presence of embedded URLs and the nature of the heuristic firings point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/1608b2c3d0968c9c8e466bcdd2ebbc21/78952832297.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c0664bfa9---pififotef.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/2dfed72998966590a2e67aec82866e47/felewobematuwupus.pdf
- http://www.malagatour.es/ckfinder/userfiles/files/36657605810.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/029dd7286014e4622d85ebef5c189a6f/77150151283.pdf
- http://pinxedien.net/upload/files/9022856904.pdf
- http://francisfamilyreunion.net/clients/870293/File/63061628190.pdf
- https://egf.tw/test2/images/file/42537866984.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/5598ddd838031eb40a2c6423345542c1/65673645784.pdf
- https://kovtec.pl/eurostyl/photos/file/fajunoxoxizet.pdf
- https://chameleoncoupons.com/adgprocessing/uploads/files/wuxejuvumafowebapibid.pdf
- http://adamlegal.com/userfiles/file/68303327265.pdf
- http://ytovietnam.net/ckfinder/userfiles/files/72529609197.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160800fbc1b8fe---68964899511.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/27755603fa6ea4f3cc226524c5eebb25/kirofadevagulawevobi.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16081f44760e80---63205898355.pdf
- https://childrencareandliteracysociety.org/userfiles/files/83353388369.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/e7e323498bd17a6bfdf1d946d9136f91/xosas.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b01749580---fekiditisudugajasit.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c99e9fdba4e---77139167533.pdf
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/42f0a3419c6e809448acb27f17666ddc/13698673014.pdf
- https://ytdrive.com/CKEdit/upload/files/diwesoribilatimade.pdf
- http://assistance.uz/images/shared/file/80757143434.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9988c40253---32867461613.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=lymphatic+system+function
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8b5.bin88f84810d1cc41c7c676d82e7031e24abab83d01c4083d9297b836b824b32ae6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B5 | 10768 bytes |
font_01_sfnt_off00010160.bin1a637c41423b4408dc23b4ccb4a6197456bff48bea416358bcfa1a068173f800 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10160 | 17356 bytes |
font_02_sfnt_off00012d7c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D7C | 16792 bytes |
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