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 embedded links, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution campaign. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, indicating the document is designed to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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 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 http://saxonsaxtonfamilyreunion.com/clients/f/f6/f6d0431f970e0833b0867c311dafb132/File/68786970426.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160857c811e6e5---buxunujafexanakole.pdf
- http://riskhedgetech.com/uploaded/file/43173158760a7f9c4cd438.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/c9091b89c0f4b5824c215c1e1efa7b89/80763535011.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/7849b4a566410aa9def6a4176065c8c7/simanarudozokap.pdf
- http://anhuifan.com/upload_fck/file/2021-5-22/20210522193339200108.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962924eae0f---5764867081.pdf
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0d9e1c2f1---52018705522.pdf
- http://pattersonandoliphantfamily.com/clients/875492/File/87169588503.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c20fb7a305a---piwajawepomilesanowama.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c03d87035---mowek.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed18335f33---73990681568.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/ho0mvuvbul14g67mt55lk0rrhp/80935368110.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/4e0a7775e305a5c0258d8d6885b568e1/95957022794.pdf
- https://timjanen.se/anvandarbilder/53/files/nufoxoxadivet.pdf
- https://performanshost.com/calisma2/files/uploads/fobabujunokubaxitunuribis.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/7aa5c37e8684de57f5ee5ea3fecc93db/rojer.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/28b0gskum3pt4iokd7lnein8t6/mexakut.pdf
- https://mvpartners.be/images/uploadedimages/file/33076228340.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=navy+service+uniform+collar+device+placement
- 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_off0000c90f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC90F | 16792 bytes |
font_01_sfnt_off0000e126.bina6475c1c3b96f944f185598407196c0f732f50f8a18f2a5f1f64d6c0b3703ad1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE126 | 11040 bytes |
font_02_sfnt_off0000fade.bina52b5db7314206fc6c2332e4699a92d0429be6722a2b66fe958cd341a8d53b4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADE | 16312 bytes |
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