MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous external links, some pointing to disposable hosting, and heuristics indicate it functions as a link farm. Additionally, a 'download button' lure was detected, suggesting an attempt to trick the user into downloading a payload.
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://golowaki.ru/123?utm_term=uc+browser+app++jio+phone PDF link annotation
- https://guwepejesa.weebly.com/uploads/1/3/2/8/132814432/wetoporum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369783/normal_60514f0579e49.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456369/normal_6005297aad714.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374956/normal_603cf152527d8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414689/normal_5fca2a0ecb69a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404124/normal_5fdb61756f30d.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4453333/normal_60b2ed3da6ad1.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4446170/normal_60b221ad6bd68.pdfIn PDF document text
- https://wafodefa.weebly.com/uploads/1/3/4/4/134480145/wegebujosegajalim.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404529/normal_60394ba79ec58.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464067/normal_5fceab49950c5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tisowowuduwe.pbworks.com/f/20988432448.pdfIn PDF document text
- http://sozegajamuf.pbworks.com/w/file/fetch/144920859/nubajiwub.pdfIn PDF document text
- http://wabajafadi.pbworks.com/w/file/fetch/145007946/potato_cylinder_osmosis_experiment.pdfIn PDF document text
- http://fetinaduv.pbworks.com/f/physical_science_grade_12_mind_the_gap_download.pdfIn PDF document text
- http://dateromitu.pbworks.com/w/file/fetch/145084179/aircraft_propulsion_farokhi_solution_manual.pdfIn PDF document text
- http://pakesobiroge.pbworks.com/w/file/fetch/144576864/how_do_you_set_the_sharp_atomic_clock.pdfIn PDF document text
- http://niwomif.pbworks.com/w/file/fetch/144564324/88348893038.pdfIn PDF document text
- http://zixememot.pbworks.com/f/pidiborelux.pdfIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10181 | 2952 bytes |
SHA-256: 6f6c5a8fb5e62cfd2b6ff76f758e0f05a98695d5bac735cd019a42cb5e5649ba |
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font_01_sfnt_off00010c0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0E | 5288 bytes |
SHA-256: a5bff5c60cb50c532d4d8d34ac761924ca02dfc748c7d200ebb2daf8107b140c |
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font_02_sfnt_off00011e19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E19 | 11372 bytes |
SHA-256: 77b8e6b26af9522fa08f574da8cf29ea1c125c6cbc2caae55449b6861c655463 |
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