MALICIOUS
154
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 at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'general knowledge' and the malicious URL, suggesting a lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm or SEO manipulation tactic to distribute the malicious content.
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=important+full+forms+for+general+knowledge
- http://files.ingridpollard.com/uploads/1/3/1/4/131453847/4447949.pdf
- http://luxum.boardaciousboards.com/uploads/1/3/0/8/130814238/9988705.pdf
- http://files.fbctpa.com/uploads/1/3/1/8/131871583/texim.pdf
- https://cdn.shopify.com/s/files/1/0430/4856/6938/files/leteresoxejux.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/7878946977.pdf
- https://cdn.shopify.com/s/files/1/0430/1540/5725/files/xabowudoxone.pdf
- https://cdn.shopify.com/s/files/1/0429/7873/8335/files/96249750677.pdf
- https://cdn.shopify.com/s/files/1/0437/1628/0475/files/57239968742.pdf
- https://cdn.shopify.com/s/files/1/0437/3276/2785/files/spatial_econometrics_methods_and_models.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdf
- https://cdn.shopify.com/s/files/1/0427/9749/8535/files/terimopixubenosuriloka.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8951/files/1826230194.pdf
- https://cdn.shopify.com/s/files/1/0431/7249/5524/files/60907536323.pdf
- https://cdn.shopify.com/s/files/1/0445/3980/5855/files/mafunumeladiwusijipu.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_off0000866d.binea87378382224a020f149da9dda7cb16401ebbbd6c941a8484155e8cfd17efdb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x866D | 5452 bytes |
font_01_sfnt_off000098ea.bindcabd624a781d5a68c71fc54a149aa849fe789b54e146b0a63cf888baa84ac12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98EA | 10080 bytes |
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