MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. Additionally, it features a link farm with numerous external PDF links, suggesting a tactic to artificially inflate search engine rankings or distribute malicious content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=pdf+filter+ccittfaxdecode, which is likely used to redirect users to further 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=pdf+filter+ccittfaxdecode
- http://sabavuxi.thesecretroombook.com/uploads/1/3/0/8/130814328/wubejaxodutuj.pdf
- http://files.jbarnastudio.com/uploads/1/3/0/9/130969527/bilepopepadure_kajadaje_babubaselam_gobopip.pdf
- http://files.crlangille.com/uploads/1/3/1/8/131871994/6274082.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5190/files/sugotozetigizeb.pdf
- https://cdn.shopify.com/s/files/1/0439/2402/9608/files/faserovubofifusujowejimir.pdf
- https://cdn.shopify.com/s/files/1/0429/4131/7276/files/zokojagonunese.pdf
- https://cdn.shopify.com/s/files/1/0431/5014/7745/files/94718748162.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/fundamentals_of_modern_vlsi_devices.pdf
- https://cdn.shopify.com/s/files/1/0430/9912/7957/files/33355729155.pdf
- https://cdn.shopify.com/s/files/1/0437/7817/9221/files/57283378431.pdf
- https://cdn.shopify.com/s/files/1/0432/6716/2276/files/wunasisosolisejib.pdf
- https://cdn.shopify.com/s/files/1/0431/2127/9137/files/gta_vice_city_san_andreas_cheat_codes.pdf
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/57771011041.pdf
- https://cdn.shopify.com/s/files/1/0443/8504/2598/files/bijection_rciproque.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_off0000f0bf.bin0bb1c0966010f50400998f28602b648808e0031804e3b7d25b9714e8756c5e3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BF | 4904 bytes |
font_01_sfnt_off0001017f.binbad3fbf9ce21a76065be5a96bf007fc835c6c4917871d709192777f0d9e3a1be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1017F | 13776 bytes |
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