MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF contains numerous embedded links, a technique often used for SEO poisoning or to redirect users to malicious sites. The primary URL, https://ttraff.ru/pify?keyword=personality+test+questions+and+answers+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'personality test questions and answers pdf', reinforcing the lure. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, suggests a link farm designed to improve search engine ranking for 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=personality+test+questions+and+answers+pdf
- http://files.embarrass.org/uploads/1/3/0/8/130813818/b1636eb.pdf
- http://files.backroadsfab.com/uploads/1/3/1/4/131437484/boroj-xuxunawug-kabizu-baxorisedavog.pdf
- http://files.aminmohamed.com/uploads/1/3/1/0/131070458/zukuxedupijif.pdf
- https://cdn.shopify.com/s/files/1/0439/1898/3323/files/best_hentai_reddit.pdf
- https://cdn.shopify.com/s/files/1/0431/4906/6397/files/18826965274.pdf
- https://cdn.shopify.com/s/files/1/0433/7824/5781/files/75645071920.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/kununiwikemaden.pdf
- https://cdn.shopify.com/s/files/1/0435/0086/3643/files/31908410715.pdf
- https://cdn.shopify.com/s/files/1/0448/4349/9677/files/argumentao_enem.pdf
- https://cdn.shopify.com/s/files/1/0431/6489/3344/files/39556404169.pdf
- https://cdn.shopify.com/s/files/1/0430/0357/6481/files/89729136489.pdf
- https://cdn.shopify.com/s/files/1/0430/5911/8229/files/85185483236.pdf
- https://cdn.shopify.com/s/files/1/0445/5481/3599/files/novela_ligera_de_arifureta.pdf
- https://cdn.shopify.com/s/files/1/0429/4931/2665/files/pirotekedanik.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_off00007e2a.bin5b2e9097c7f02567ce7c41d04b4e91c6226e604d05a1e5702540d54ccab893b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E2A | 5356 bytes |
font_01_sfnt_off00009081.binac086280253f7ddf03bc7d67f32aee92a849d8537812b68a89cb31bffcb3926c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9081 | 11060 bytes |
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