MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to 'chisel and plane blade honing guide' which appears to be a lure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=chisel+and+plane+blade+honing+guide, which likely leads to further malicious content. The ML classifier also strongly indicated maliciousness.
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=chisel+and+plane+blade+honing+guide
- http://files.the-crazycucumber.com/uploads/1/3/1/6/131607010/897038.pdf
- http://files.sitchinstudies.com/uploads/1/3/0/7/130740573/nikikuxawofuz.pdf
- http://files.osacps.org/uploads/1/3/1/4/131438079/tunime-venuzetaw.pdf
- https://cdn.shopify.com/s/files/1/0434/4388/0103/files/boxet.pdf
- https://cdn.shopify.com/s/files/1/0439/3048/4904/files/chehra_masoom_punjabi_song_video.pdf
- https://cdn.shopify.com/s/files/1/0433/9164/7894/files/nafiruna.pdf
- https://cdn.shopify.com/s/files/1/0438/4168/3618/files/18854388109.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nawujumukupuzuwoxelojoses.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/vosoduwet.pdf
- https://cdn.shopify.com/s/files/1/0434/8451/2418/files/mafovo.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5626/files/utilitarianism_theory_journal.pdf
- https://cdn.shopify.com/s/files/1/0434/7107/7526/files/15795328894.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51507598499.pdf
- https://cdn.shopify.com/s/files/1/0444/2108/7398/files/tybsc_cs_syllabus_mumbai_university_2020_19.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_off000082ba.bin82c3885a2c1b9b2f9971d47f303133057d48f852b3c890dbafb9080bf702f559 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82BA | 5168 bytes |
font_01_sfnt_off0000943a.binfc7ecfdf43fd2ff72b4a1d14f1a9af2506015cb5d6d6d4c267130740e1378115 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x943A | 10728 bytes |
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