MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious destinations. The presence of these links and the nature of the detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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 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://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdee42a7512---23681156640.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acff5402c81---44877543218.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd2b66f0c4---9296953959.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd939e8057---73371812373.pdf
- https://internationalmedia.com/userfiles/file/boramepuweragikedikojo.pdf
- http://jaika.in/images/documents/files/rowedamotapa.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe54d96b54---13873641547.pdf
- http://kjphotocon.org/data/userfiles/files/60597949938.pdf
- http://photo-preiss.com/upload_files/files/77336596536.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/nina838u30dnn6qciok2ioo09k/21501402008.pdf
- https://nasikampung.info/contents//files/napusawowesipakipajivamax.pdf
- https://imotrading.com/images/userfiles/xatusukekubopafojubikidi.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/8d0c7a0f8b6e630e9fea181060eee700/52257870131.pdf
- http://allycatering.com/userfiles/44394986131.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1f5bb3a69fa75af15781e58cc903a72b/18817542694.pdf
- https://hanahana.vn/media/ftp/file/15002718953.pdf
- http://pettwayfamilyreunion.com/clients/39389/File/nokiferafotow.pdf
- http://seoulsquare.com/userfiles/file/91904153440.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/eaebfd7442790b7c462d137d32c80ba7/4692166357.pdf
- http://reelproductionshd.com/userfiles/file/fipejabo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+change+ringtone+in+messenger
- 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_off0000e856.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE856 | 16792 bytes |
font_01_sfnt_off0001006d.bind937c1349e938db7d7e21fad8762f52a3b99bf008501db20a9e3c2b47b6d65f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006D | 10708 bytes |
font_02_sfnt_off000118de.binba0cd28dddb3f17575c0c96da5381e035e29cc0d95af13d68e3a1e0f0e9b43f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118DE | 17316 bytes |
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