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 0.9998
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://trafffe.ru/123?keyword=how+to+get+your+website+noticed+for+free PDF link annotation
- https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/xumupafav.pdfIn PDF document text
- https://nosilagime.weebly.com/uploads/1/3/4/6/134613039/pazixebitugebab-vikid-texamexejekovu-baveduxedoguwe.pdfIn PDF document text
- https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/1c3180a5bee1d84.pdfIn PDF document text
- https://mibonapa.weebly.com/uploads/1/3/4/3/134308174/wuresiwe.pdfIn PDF document text
- https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/9ecc6771f91.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408976/normal_5f9ee1c348e39.pdfIn PDF document text
- https://jewajufigojoxi.weebly.com/uploads/1/3/1/4/131438211/zewilifewel-jaruz-dilelarenuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/gupuso/dawup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8358e5c4-f1bb-481f-aed7-cc35e16b9304/detagumom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2bc39d8-34da-44b1-9385-7d3c54dd3d07/zepuwewefojawasaxi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc5aa436-ca7a-4161-b755-0f2fc6bb03ef/warrior_cats.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_off0000ce0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE0B | 5240 bytes |
SHA-256: 3e66002d063084634875edce1b1017aec9a0446b0181a9f37f8c491b6ccea265 |
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font_01_sfnt_off0000e00b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00B | 10424 bytes |
SHA-256: cd871570346ca681060e65a705ec98e51cb6b95bf7a0d393c7e75112f86384be |
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