MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, also contains URLs that appear to be part of a link farm, suggesting an attempt to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/pify?keyword=procalcitonina+pdf+sepsis
- http://files.wolffphotography.net/uploads/1/3/1/6/131607930/4690316.pdf
- http://najij.creeksidepto.com/uploads/1/3/2/7/132712380/megejoxi.pdf
- http://files.ladyannestrunkomaha.com/uploads/1/3/0/7/130775277/937fb706244dec.pdf
- http://files.dobetterwhatyoudobest.com/uploads/1/3/1/6/131606256/1855767.pdf
- http://files.mywinningjewelry.com/uploads/1/3/1/4/131437061/1146611.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/8665/8213/files/zukumomasigo.pdf
- https://cdn.shopify.com/s/files/1/0431/4028/4583/files/98931571316.pdf
- https://cdn.shopify.com/s/files/1/0429/5039/4019/files/dadoxewedididinuxoladulil.pdf
- https://cdn.shopify.com/s/files/1/0438/3752/2085/files/fogot.pdf
- https://cdn.shopify.com/s/files/1/0447/1462/3130/files/checkpoint_ccsa_study_guide_r80.pdf
- https://cdn.shopify.com/s/files/1/0433/5812/6245/files/tafovilukewom.pdf
- https://cdn.shopify.com/s/files/1/0427/9821/9420/files/57438809984.pdf
- https://cdn.shopify.com/s/files/1/0435/8724/0095/files/26491549951.pdf
- https://cdn.shopify.com/s/files/1/0429/2889/8211/files/million_dollar_listing_torrent.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_off00007577.bin18cb5c604f50be7e99336030ab55a2b25b2988b8d70f1fe4a0794cbfbdf864da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7577 | 5152 bytes |
font_01_sfnt_off000086fe.bina7c5e043e72f2130f39c99ccd9aa37726b48bd81cdade8686d5c97ca96907316 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86FE | 10552 bytes |
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