MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, many pointing to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. One of the embedded URLs, 'https://trafficel.ru/aws?utm_term=join+excel+sheets+online', is presented with a deceptive pretext related to joining Excel sheets online, likely to entice users to click through to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://trafficel.ru/aws?utm_term=join+excel+sheets+online
- https://rejileju.weebly.com/uploads/1/3/4/3/134335231/8137537.pdf
- https://duwelebizan.weebly.com/uploads/1/3/4/7/134701088/fodumuduja.pdf
- https://setopotuvojinow.weebly.com/uploads/1/3/4/8/134877086/7771716.pdf
- https://suvuzijovibalis.weebly.com/uploads/1/3/4/6/134660606/1f89687e249010.pdf
- https://najilemizosi.weebly.com/uploads/1/3/4/7/134730194/1659571.pdf
- https://dogamoduxex.weebly.com/uploads/1/3/4/4/134481485/3550991.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/nevowimo/26861981773.pdf
- https://s3.amazonaws.com/wenobagupexekap/wedojelowoner.pdf
- https://uploads.strikinglycdn.com/files/9e332ef9-9ee6-4e07-a195-aea3c09dc842/57549974430.pdf
- https://s3.amazonaws.com/subud/1635850136.pdf
- https://s3.amazonaws.com/xoxaneral/42191823378.pdf
- https://s3.amazonaws.com/bepukuba/31365718016.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c476.bin4f6c704ab20b0b0880b043d1974e8660a03779a517e1bba6c250b6034b2fae11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC476 | 4636 bytes |
font_01_sfnt_off0000d43d.bin6d0437f77e170ea2b6f14c6933d484ce083a55f7c8ab7a147544118bcacf93b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD43D | 10152 bytes |
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