MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to external resources, a pattern indicative of SEO link farming or a phishing lure. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=unix+commands+interview+questions+and+answers+for+experienced+pdf'. The document body, though heavily obfuscated, contains text related to technical documentation, suggesting a pretext for the malicious links. No scripts were extracted from this sample.
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.ru/pify?keyword=unix+commands+interview+questions+and+answers+for+experienced+pdf
- http://kivopa.loupfarms.com/uploads/1/3/0/7/130738799/a8d8ebf55.pdf
- http://files.americanbellydance.com/uploads/1/3/0/8/130814057/45125.pdf
- http://dudav.su649.org/uploads/1/3/1/3/131380485/983710.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1117/7629/files/20833475887.pdf
- https://cdn.shopify.com/s/files/1/0428/3629/5836/files/it-_203_instructions.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevesuladufutaniwor.pdf
- https://cdn.shopify.com/s/files/1/0432/3485/3021/files/kotigafudowerig.pdf
- https://cdn.shopify.com/s/files/1/0437/9744/6816/files/brain_on_fire_my_month_of_madness_free.pdf
- https://cdn.shopify.com/s/files/1/0433/8951/7973/files/japutokumaxejijorewagikew.pdf
- https://cdn.shopify.com/s/files/1/0433/5874/8822/files/94310678655.pdf
- https://cdn.shopify.com/s/files/1/0434/5528/3366/files/23672049650.pdf
- https://cdn.shopify.com/s/files/1/0432/9593/2584/files/define_accumulated_depreciation.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_off000065d0.bin9943d5beb79005e698403f792ad3c1efe3bc5744fdcca8f4e3959cff1df92dc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D0 | 5608 bytes |
font_01_sfnt_off000078e1.bind21e3af62e980931b49539fec483493097fc310ea0c30e2684619e6227fde274 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78E1 | 10524 bytes |
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