MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, and is also detected by ClamAV as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, which likely serve as a link farm to distribute further malicious content. The primary lure appears to be a document about email closing phrases, which redirects to a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://baarspo.ru/strik?utm_term=frasi+di+chiusura+email+in+inglese PDF link annotation
- https://bekodezu.weebly.com/uploads/1/3/1/8/131856725/e7c8f613a44.pdfIn PDF document text
- https://xewomilofapo.weebly.com/uploads/1/3/4/8/134878854/0e3c030c23.pdfIn PDF document text
- https://keduwiwisa.weebly.com/uploads/1/3/4/4/134486116/51bbb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444874/normal_60211689c8036.pdfIn PDF document text
- http://50off.pro/demolition_derby_2020_calendari3s72.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445331/normal_5febc6c586464.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369664/normal_6061907c8e90e.pdfIn PDF document text
- https://bubiwodepu.weebly.com/uploads/1/3/2/8/132815961/nidesudutesaparoli.pdfIn PDF document text
- https://bovuxugiz.weebly.com/uploads/1/3/4/9/134901291/8dd9b56bb84cc.pdfIn PDF document text
- https://wumaluruporemad.weebly.com/uploads/1/3/0/9/130969386/b297c0045642a9.pdfIn PDF document text
- https://pofefami.weebly.com/uploads/1/3/4/8/134884789/e6d6ace05be2f11.pdfIn PDF document text
- http://bosnoslovnoejelaniekupit.xyz/17673382573uxhw3.pdfIn PDF document text
- https://cdn.sqhk.co/xolofiwano/ij8eidy/66932298663.pdfIn PDF document text
- http://e-devletturkiyeaidatsistemimgovtr.com/homelite_weed_eater_fuel_line_sizeh9ana.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368479/normal_6037f7d1af10d.pdfIn PDF document text
- https://cdn.sqhk.co/jivonaxadu/aigiggj/71767115566.pdfIn PDF document text
- http://shop-profildoors.ru/how_to_pair_jbl_flip_1_to_iphonev5c95.pdfIn PDF document text
- https://vowemiwa.weebly.com/uploads/1/3/5/3/135392560/02ff530.pdfIn PDF document text
- http://ita-talia.fun/may_25_2018_the_general_data_protection_regulation_gdpr_lawtf2zd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9005a25f-7293-4a73-bb0f-bc58e8c16807.filesusr.com/ugd/e3834b_2668c0b3e6a343d9b7cd3a11e63dfa96.pdf?index=trueIn PDF document text
- https://e5b7f393-9b83-42c5-a877-5b85c0c772c8.filesusr.com/ugd/77b42d_93c84e30e95e4d3f99c669aa3ac214a2.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_off0000eef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF3 | 5308 bytes |
SHA-256: b1515a85069e7b3b36214ec3dd812b842e4349515a34e3f6f79e03d0c995e82d |
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font_01_sfnt_off000100d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D4 | 13124 bytes |
SHA-256: a4eda9c4c1324cbf74b7e5209200fc30ef316da7d4cb1151f345398cbb0a88b3 |
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