MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains a large number of external links, many pointing to striking.ly, suggesting a link farm or redirection mechanism. One of the embedded URLs, https://trafficel.ru/123?utm_term=lab+metric+measurement+datasheet+answers, is likely the primary malicious destination.
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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/123?utm_term=lab+metric+measurement+datasheet+answers
- https://kudowelevuk.weebly.com/uploads/1/3/4/5/134585456/6747635.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/94935bf5-d4d2-47a1-a75a-48ad24f36a6d/22591290308.pdf
- https://uploads.strikinglycdn.com/files/18d1f992-2dc1-46de-8cc4-f5b5e4cd7dfa/24373190735.pdf
- https://uploads.strikinglycdn.com/files/25318578-6a4a-4f26-8c15-2adc8a7344c9/hacked_my_singing_monsters_apk.pdf
- https://s3.amazonaws.com/pusori/73397932365.pdf
- https://s3.amazonaws.com/zidenigad/xinile.pdf
- https://uploads.strikinglycdn.com/files/e3e44aed-aed3-47ba-b9de-81fe25c9098a/39009893333.pdf
- https://s3.amazonaws.com/muvemasoxaji/98252077787.pdf
- https://uploads.strikinglycdn.com/files/3292f543-a0d1-4911-b403-de8112e38de3/rimoxuroxatowuboxabo.pdf
- https://s3.amazonaws.com/felasorarabipis/brewster_law.pdf
- https://s3.amazonaws.com/jasadavebaga/asthma_clinical_guidelines_australia.pdf
- https://uploads.strikinglycdn.com/files/54a886e1-802e-432c-85ad-c66576e3f739/94865435741.pdf
- https://uploads.strikinglycdn.com/files/e707266c-2817-4dbd-b897-8639ab44a9bd/9390550199.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cdd6.bin549bbb76500397aea204ddf09d95ee0665e1e0cb993cf201648963ac35fed90d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD6 | 5092 bytes |
font_01_sfnt_off0000df00.bin526103831bac6d79c7a1648a62e358484e97c628ab35fdfd88b79de0476f9736 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF00 | 10588 bytes |
font_02_sfnt_off0001035f.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1035F | 4324 bytes |
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