MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs, many pointing to compromised or disposable hosting, indicating a phishing or malware distribution attempt. ClamAV and ML classifiers flagged this file as malicious, specifically as a phishing trojan. The document body is heavily obfuscated and unreadable, providing no direct user-facing content, but the presence of multiple suspicious links is the primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
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://apexhealthnutrition.com/newerac2c/userfiles/file/nodilivulukogalorafudinus.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b9df303c4b1---zopurelategilifim.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079785f4b25f---88412123553.pdf
- https://dollarplus98.com/images/upload/files/57221678315.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608676f1f18fc---21343766722.pdf
- http://buergerforum-tirol.at/file/183142304.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a50553c9f0---terikoze.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/94c4eea04f4c775a786f7cd4abd75c29/vipupuwalew.pdf
- http://hz-karavany.cz/ckfinder/userfiles/files/38131773820.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/72f046b76453aa926d45f904bcc3c5f3/90763612925.pdf
- http://chalappuram.com/userfiles/file/madunukamekewixojomig.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/3a1021d2ac07d708130034bc1faa4a7c/3832098714.pdf
- http://camionespanamericana.com/userfiles/file/43821587719.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/57311ddce5485209ae91af0e3e504dca/lafokezoturafojut.pdf
- https://thefertilizergranulators.com/d/files/48958486925.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/4utr75475np4i6lsfn7co8coh5/83560345263.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608436c0cd3a9---janafarazidofuxesal.pdf
- https://luyenthitoeic.info/userfiles/file/dizobemefavufujovitotavop.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/r2lvjbdritab4b4uo62m2tmhna/22377847447.pdf
- https://vigiweb.cl/dinamicos/files/file/97427645896.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b31d12c9320---mizegagowefizuzoper.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/f0be6f90316c52c357aa80a06695a58b/bunikowaji.pdf
- https://fwullong.com/upfiles/editor/files/dubuzugogi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=meaning+of+two+fold
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0001503c.bind9f5e66163d907df9b2c2f031b8906ab183602eda4757f3e8ef428a9cf922d60 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1503C | 18328 bytes |
font_00_sfnt_off0000d843.bina8161c2f5ba9235eb51b4fcc43b6bb219725019365cb8d38f9ec25dfe5ce54ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD843 | 3464 bytes |
font_01_sfnt_off0000e5be.bin30ba77d6eadb557700a7c3acdf8792e1c0f8ae57f63c14b4cb8e520f250473de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BE | 23852 bytes |
font_02_sfnt_off000120e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E2 | 16792 bytes |
font_03_sfnt_off000138f9.bin3f66d7c84c3bef7d2f69195c8f670fc60af8e19732f666351adc7d4311ee25b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138F9 | 10340 bytes |
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