MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, identified as a link farm. The primary URL, 'https://traffset.ru/aws?utm_term=icsid+reports+cambridge', suggests a potential SEO manipulation or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
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://traffset.ru/aws?utm_term=icsid+reports+cambridge PDF link annotation
- https://cdn-cms.f-static.net/uploads/4453888/normal_5fb99ad5b1219.pdfIn PDF document text
- https://fesoviso.weebly.com/uploads/1/3/4/7/134710514/5a3b90e8d0ab80.pdfIn PDF document text
- https://tuwunofibe.weebly.com/uploads/1/3/4/6/134657164/baluxivo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493876/normal_5fc4d60245c19.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370528/normal_5fa007610bd22.pdfIn PDF document text
- https://gitaxawisar.weebly.com/uploads/1/3/2/8/132814742/zixej_nedepugidewufug_vigurolilos_vakifimopusegap.pdfIn PDF document text
- https://kafazuvowimi.weebly.com/uploads/1/3/4/7/134705673/bikatajilemozela.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459165/normal_5fc4d549a72f5.pdfIn PDF document text
- https://difomojixi.weebly.com/uploads/1/3/4/3/134319012/5932757.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/dutuzanob/backflip_game_apk.pdfIn PDF document text
- https://s3.amazonaws.com/fosawef/driver_stampante_brother_mfc_l2700dw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a0cdfcb-a6b1-4d3c-be97-637828181d20/fractured_but_whole_achievement_guide.pdfIn PDF document text
- https://s3.amazonaws.com/vabemavuputenif/44831824032.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd0a3d41-4ebe-4420-a64c-54de5ee291ac/408791519.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_off0000c295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC295 | 5436 bytes |
SHA-256: 39b838281426c90530f8eb06686969e96ca6c1c839ad86806c4199896845ceed |
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font_01_sfnt_off0000d4f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F4 | 11028 bytes |
SHA-256: 20c9b65023cb04ce665aab178cb306ff646cf54c56a477d7c608f6e67fb74130 |
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