MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document exhibits characteristics of a link farm, embedding numerous URLs that likely lead to malicious content. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identifies a link to a known malicious redirector, ttraff.cc, which is a strong indicator of malicious intent. The ML classifier also strongly flagged this PDF as malicious. The embedded URLs suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.cc/pify?keyword=esmo+guidelines+nsclc
- http://files.jacquiesewell.com/uploads/1/3/0/7/130739177/kufipapagitogamurege.pdf
- http://files.hcindiansbasketball.com/uploads/1/3/1/6/131606367/sufobogem.pdf
- http://gatoz.chathamhigh1969.com/uploads/1/3/2/6/132681396/f923795.pdf
- http://files.beckywrightsongs.com/uploads/1/3/1/4/131454733/3838646.pdf
- http://baligunix.monarchroom-traumainformededucation.com/uploads/1/3/0/7/130739564/mimovununozuwo.pdf
- https://cdn.shopify.com/s/files/1/0432/6470/4665/files/57133939816.pdf
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/69843072863.pdf
- https://cdn.shopify.com/s/files/1/0428/7214/4038/files/visimatuvugilega.pdf
- https://cdn.shopify.com/s/files/1/0431/2976/6045/files/bach_magnificat_score.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9115/files/lipubabi.pdf
- https://cdn.shopify.com/s/files/1/0431/9484/3293/files/jizalopibomidivexuk.pdf
- https://cdn.shopify.com/s/files/1/0437/2014/7112/files/35557919056.pdf
- https://cdn.shopify.com/s/files/1/0431/9700/5981/files/spandana_application_form_telugu.pdf
- https://cdn.shopify.com/s/files/1/0430/9496/6429/files/nizasegomalom.pdf
- https://cdn.shopify.com/s/files/1/0451/2792/5925/files/veguneribamope.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugogesobiwem.pdf
- https://cdn.shopify.com/s/files/1/0432/4550/2626/files/83715258432.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007449.binc4efa32354bf3b22d82f905814687c3a2dab1b905f2e79fff11af43a46c6a57a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7449 | 4912 bytes |
font_01_sfnt_off000084ed.binf0c692b0330c1f4b4692158ecc492dab187b68c166d29213fc77d7a9e65e96a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84ED | 10288 bytes |
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