MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link disguised as a biology textbook, which redirects to a malicious URL (ttraff.cc). This URL is part of a link farm designed to attract search engine traffic and likely serves as a redirector to 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=biology+book+pdf+miller+and+levine
- http://files.alanveale.com/uploads/1/3/0/8/130814252/vuxedek-jesutoniwelife-xidopunezix-voxojewutek.pdf
- http://fojuge.mylma.org/uploads/1/3/0/8/130874359/vexamijawi_dazere_zalafebebuw.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/ic_cd4011.pdf
- https://cdn.shopify.com/s/files/1/0447/2481/3977/files/91684555385.pdf
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/kopisabefutusebi.pdf
- https://cdn.shopify.com/s/files/1/0431/8763/4338/files/gotalukikajininirutedotok.pdf
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/53027008918.pdf
- https://cdn.shopify.com/s/files/1/0437/7106/8577/files/bioecological_theory.pdf
- https://cdn.shopify.com/s/files/1/0429/8244/1113/files/5675875394.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/fafavera.pdf
- https://cdn.shopify.com/s/files/1/0429/6035/5487/files/assertiveness_in_nursing.pdf
- https://cdn.shopify.com/s/files/1/0431/5349/0071/files/wobufifazidimajuralabe.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_off00005a06.bin364fddcf43971043409cda54d2610aeaed67e1ab76ec48c7d213a543f704f61e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A06 | 5600 bytes |
font_01_sfnt_off00006d01.bindf4ff55ca6a8dab0185415d9d218fc3e2a7a170495f8f64c0970628f2647dd38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D01 | 9896 bytes |
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