MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, appears to be a lure related to technical specifications, likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://immobilieninvestors.eu/userfiles/file/65080457838.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/fd281bdf8faef0e66ca8028ef34632a9/61892912805.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d28d14b04e---66763056994.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/676e1c2430bdc2a320dcc0bb9aaf6d3d/gatosar.pdf
- http://alarcon-v.com/editor_upload_image/file/fopadawogivamup.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/0721c667c85ab7c978db9ae69b8c0574/14385304274.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833a949de91---manudisipum.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/3a70c6dee1547471b53bb64d69d3cbfe/76057332485.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d0ce81cd4---fikozonomikidakeb.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160accc538d349---dozogafojuxekekeve.pdf
- http://paynechapelduquesne.org/clients/9/9b/9b910c66cef3ae2d1bb1fd5804160a19/File/lisoxuxagatiwuzuvilomebe.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/0mk01op5h8l6ko9h1nh27il898/39552347691.pdf
- https://pima-alarms.net/slicice/file/tisojinin.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0013e4f0a---23288424720.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160899bd2a92fc---61604757388.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/bkc4tklaecq16khclnmaa9eek2/sosotibejamemotovejalu.pdf
- http://luingpyrex.cz/foto/Image/file/4188732648.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/1mh0dhggmoli2s2ntcd5s34d9m/noteforakusuj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+many+watts+can+a+kicker+comp+15+handle
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7a8.bin095fb87d2e5f67df014abaa71a0b05fd6d8a19eb2c53cb1dd2c5d109eab35a62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A8 | 5708 bytes |
font_01_sfnt_off00010b0b.bin83c70c324bbc8aa4ad820b11268c304dbdbf824bf9ee14ce4bc92ca5ed8ccc36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B0B | 11088 bytes |
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