MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of numerous other links, including many to Shopify-hosted PDFs, indicates a link farm or redirection strategy to obscure the ultimate malicious destination. 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=dual+energy+xray+absorptiometry+pdf
- http://files.hobbyhistorica.com/uploads/1/3/0/7/130740571/1004446.pdf
- http://files.lutzka.com/uploads/1/3/1/0/131069781/bidit-xemojegatopufir-defifexe.pdf
- http://files.opadental.com/uploads/1/3/0/9/130969358/jawidunujoz.pdf
- https://cdn.shopify.com/s/files/1/0438/2670/8637/files/65565064132.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9171/files/59207441742.pdf
- https://cdn.shopify.com/s/files/1/0432/8924/7894/files/4127356231.pdf
- https://cdn.shopify.com/s/files/1/0429/1916/6105/files/extra_class_license_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0439/4303/5048/files/princess_mononoke_soundtrack.pdf
- https://cdn.shopify.com/s/files/1/0439/2475/0491/files/vewenilefap.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/visaboxe.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/60702463133.pdf
- https://cdn.shopify.com/s/files/1/0433/8624/1187/files/deductive_bible_study_method.pdf
- https://cdn.shopify.com/s/files/1/0434/6701/4297/files/datixenumulodagosadewo.pdf
- https://cdn.shopify.com/s/files/1/0430/6003/5735/files/73972430805.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_off00007ac0.bin14a3b2fa61481536a87b11d2ec417ac3a4970955bf08b2b0c4a29fd179cf2b8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC0 | 5672 bytes |
font_01_sfnt_off00008e0f.bina2429a6a0457cd5dcc1d5fcbfba8158ff25e8aa6f8c3c14bfa778170bf1ad8b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E0F | 10176 bytes |
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