MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains a large number of external URIs pointing to various websites, many hosted on disposable domains, suggesting an attempt to manipulate search engine results or distribute malicious content. The presence of 'utm_term=schoology+st+johns' in one URL hints at a potential phishing lure related to educational institutions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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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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://traffine.ru/123?utm_term=schoology+st+johns
- https://gifalixes.weebly.com/uploads/1/3/4/5/134593917/nolibu.pdf
- https://cdn-cms.f-static.net/uploads/4405904/normal_5f920b60dab53.pdf
- https://xesapidad.weebly.com/uploads/1/3/4/3/134346602/figamuzu_vidato_sarasijodumoruv.pdf
- https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/poxupebafixun.pdf
- https://lajogaful.weebly.com/uploads/1/3/4/4/134481829/8889721.pdf
- https://rexolofozex.weebly.com/uploads/1/3/4/3/134368018/kalikokefupis-ripejavev-junepefoji-bogadobimu.pdf
- https://tejovobomogopiz.weebly.com/uploads/1/3/4/6/134626725/40b2fac11.pdf
- https://vowijavig.weebly.com/uploads/1/3/4/3/134319359/cdb93a88b44363.pdf
- https://nujidigazinuwag.weebly.com/uploads/1/3/4/3/134318548/1901325580e5.pdf
- https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/772b57b182c6abc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/36d0a070-947f-4c06-a7dd-959ab83bec80/24161151263.pdf
- https://uploads.strikinglycdn.com/files/1e8e6616-47c9-46d5-af92-5c98321f5ee5/headfirst_slide_into_cooperstown_on_a_bad_bet_music_video.pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc1c.bin62717fabdaa691d968f4b313c9e29f0f5d80b310313741e039089183aa11d66b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1C | 4656 bytes |
font_01_sfnt_off0000dbee.bin71a6bc05fe56e33562823ebdb2cf5f27cfa7a1b32d40d21691d1049530e1386f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEE | 11380 bytes |
font_02_sfnt_off000101ff.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FF | 4324 bytes |
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