MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to 'rural sociology textbook pdf'. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to distribute traffic to potentially malicious sites.
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=rural+sociology+textbook+pdf
- http://files.cowcreekranch.org/uploads/1/3/1/4/131437792/sewoziwukalix.pdf
- http://files.intrepidresearch.org/uploads/1/3/0/9/130969148/3683675.pdf
- http://files.lemonthistory.org/uploads/1/3/1/0/131070596/460348.pdf
- http://files.proyecto1867.com/uploads/1/3/2/3/132302913/mozolejemi-vexiramiga-leselu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugifewelogukepebokiz.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/19976387626.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/46642862558.pdf
- https://cdn.shopify.com/s/files/1/0430/5561/2057/files/zivefuxefisepapupofuxed.pdf
- https://cdn.shopify.com/s/files/1/0436/8728/0790/files/25166127842.pdf
- https://cdn.shopify.com/s/files/1/0438/0046/1474/files/42617339202.pdf
- https://cdn.shopify.com/s/files/1/0432/4245/5195/files/kexowibomobugafigaripal.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/luvawevo.pdf
- https://cdn.shopify.com/s/files/1/0433/7968/7587/files/jojesofifuvubopuxalo.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/gimulokimojixilosad.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vinujavezo.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_off0000759f.bin8ba671920776558567b6d58fc0806880c235afb35b771f4687d8aff933881909 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759F | 5480 bytes |
font_01_sfnt_off0000886b.bin2d2fb9247731ba1c39161f322f9c3e79079d7cd5aea371b5cf6c99ef3ec72766 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886B | 10576 bytes |
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