MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://druttle.ru/award?keyword=list+of+biochemical+tests+for+identification+of+bacteria+pdf PDF link annotation
- https://cdn.sqhk.co/kitatoze/fwhiXHQ/junaruvonebole.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467945/normal_603333b3b734c.pdfIn PDF document text
- https://nalabusapigo.weebly.com/uploads/1/3/2/7/132740218/9149852.pdfIn PDF document text
- https://widajuzuno.weebly.com/uploads/1/3/1/6/131637349/goxisi.pdfIn PDF document text
- http://talajifit.mywebcommunity.org/16259747802.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409411/normal_6059d6f9255ac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405903/normal_600afdce37157.pdfIn PDF document text
- http://kanshoper.site/constipation_in_elderly_guidelines9u2gc.pdfIn PDF document text
- https://cdn.sqhk.co/sevijeruba/iehavji/medudoluzagexuxobufazeje.pdfIn PDF document text
- http://topstop.site/action_replay_dsi_operations_manualisg6h.pdfIn PDF document text
- http://sagedix.medianewsonline.com/nabavoki.pdfIn PDF document text
- http://hookup681.site/hansel_and_gretel_story_summary_with_picturesrohvm.pdfIn PDF document text
- http://wozilimesiz.mypressonline.com/fidoropasopekoviwid.pdfIn PDF document text
- http://zitarekatinupas.sportsontheweb.net/25597856387.pdfIn PDF document text
- http://sakulog.sportsontheweb.net/why_is_my_galaxy_s8_not_connecting_to_wifi.pdfIn PDF document text
- https://cdn.sqhk.co/pipidopowewe/jasrJt5/nirusukovosifo.pdfIn PDF document text
- http://sarkife.site/sosigojelowetizemupelzmbis.pdfIn PDF document text
- http://20970907.net/zixigekosifipenavefetopnvc7.pdfIn PDF document text
- https://cdn.sqhk.co/nanagajog/cierGjg/claw_machine_toy_walmart.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376610/normal_5feb2928431b1.pdfIn PDF document text
- https://zowotojezef.weebly.com/uploads/1/3/4/3/134330732/5d235.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://535f918c-e50e-4760-9dbe-4b22a9cc1357.filesusr.com/ugd/65883d_e900924aebac4793868015aa702add0a.pdf?index=trueIn PDF document text
- https://5e54824a-8208-41b0-8aeb-7c017e8cfb46.filesusr.com/ugd/f64db8_5bdbd4fb86d14a73a52f2522d1b42486.pdf?index=trueIn PDF document text
- https://6f84c080-6bd2-4154-8ce1-0e390380bda5.filesusr.com/ugd/defdb4_ca87fed9108149f9af3c103c7d986070.pdf?index=trueIn PDF document text
- https://ba789de2-c385-43ee-b32d-a34c698d1993.filesusr.com/ugd/b7082a_8bb75b2cd68e4865af3c585df136e84f.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD93 | 5476 bytes |
SHA-256: 523e479074dc936a7f3f837b1810340cfe5e7339e950739db7caad4bf0b884fb |
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font_01_sfnt_off00011000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11000 | 11400 bytes |
SHA-256: de1a68c068eae06717545daced6e897e18ee68f17e23bb153db9111bd5cb18f2 |
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