MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, including a redirector link to ttraff.ru, and numerous links to other PDF files hosted on various domains. This suggests a link farm or SEO poisoning attack, likely intended to drive traffic or distribute further malware. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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ClamAV: Pdf.Dropper.Agent-9527257-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-9527257-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.ru/wb?keyword=8%20week%20workout%20program%20pdf In PDF document text
- http://files.loutildelapub.ca/uploads/1/3/0/7/130739662/nokofinafitomel-sevexowobixuxiv-xuponum.pdfIn PDF document text
- http://files.bpcrane.com/uploads/1/3/2/3/132303060/9883364.pdfIn PDF document text
- http://files.grey-music.com/uploads/1/3/2/8/132815004/3840468.pdfIn PDF document text
- http://files.pamelameans.com/uploads/1/3/1/3/131384249/6959627.pdfIn PDF document text
- http://files.markheggaircraft.com/uploads/1/3/1/3/131380998/13fbc841a385.pdfIn PDF document text
- http://files.dahammaak2k.com/uploads/1/3/0/9/130969673/gedidivofori.pdfIn PDF document text
- http://files.thecorpsridingclub.com/uploads/1/3/2/6/132681264/vowisuvepijujenog.pdfIn PDF document text
- http://files.ahikersview.com/uploads/1/3/2/6/132695489/8d866b944c8.pdfIn PDF document text
- http://files.donaldunger.com/uploads/1/3/1/3/131382491/8503527.pdfIn PDF document text
- http://files.restauranthibiscus.com/uploads/1/3/0/7/130776841/5106130.pdfIn PDF document text
- http://files.ironoakcanyonranch.com/uploads/1/3/1/4/131407361/9bba2a29.pdfIn PDF document text
- http://files.patriciagodden.com/uploads/1/3/1/4/131483019/5adf2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://gunurineso.files.wordpress.com/2020/06/fiwalibu.pdfIn PDF document text
- https://vuketuwowi.files.wordpress.com/2020/06/70056591178.pdfIn PDF document text
- https://kemetax.files.wordpress.com/2020/06/18905394389.pdfIn PDF document text
- https://bamezedok238357191.files.wordpress.com/2020/06/bebivowiwi.pdfIn PDF document text
- https://samuzur.files.wordpress.com/2020/07/18984966774.pdfIn PDF document text
- https://vazomirawan.files.wordpress.com/2020/06/vubomamulubufabuzedos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23929268289.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41718344304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zabaravoxetifup.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000741b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x741B | 5136 bytes |
SHA-256: 178328139cf1edfdf78f32c72e61d3255e702013593429ee58152189553db43c |
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font_01_sfnt_off000085aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85AA | 10264 bytes |
SHA-256: 3c1065d91fc4c3c6f91a7e8e1b171a136fd7dad62633d258d17b078a6ac5ba61 |
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