MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the text 'Campbell biyoloji pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of numerous other PDF links, many pointing to Shopify domains, indicates a link farm strategy to improve search engine ranking and distribute the malicious payload. 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.com/wix?keyword=campbell+biyoloji+pdf
- https://static.usrfiles.com/ugd/913720_65d74c79c4b84716b4ab358b551e8f6e.pdf
- https://static.usrfiles.com/ugd/c7ef1a_b04bc25fb13247ee93d0692e26d7cd42.pdf
- https://static.usrfiles.com/ugd/c6ac46_6167aeb0917347bc94e4aa615f9c254a.pdf
- https://static.usrfiles.com/ugd/b8c837_3660a2cb9bf04d14a9ef227cb72b6c90.pdf
- https://cdn.shopify.com/s/files/1/0429/8942/0695/files/97496225140.pdf
- https://cdn.shopify.com/s/files/1/0429/5009/9100/files/tefur.pdf
- https://cdn.shopify.com/s/files/1/0431/9769/4109/files/lejifaw.pdf
- https://cdn.shopify.com/s/files/1/0438/3762/0381/files/85800083423.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53741046047.pdf
- https://cdn.shopify.com/s/files/1/0437/8741/9806/files/gajijimewepin.pdf
- https://cdn.shopify.com/s/files/1/0433/6179/6248/files/31832981256.pdf
- https://cdn.shopify.com/s/files/1/0431/9779/2415/files/metric_mania_conversion_worksheet_answers_key.pdf
- https://cdn.shopify.com/s/files/1/0432/6473/7438/files/61407959859.pdf
- https://cdn.shopify.com/s/files/1/0431/8488/1825/files/mufixipofi.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_off0000660a.binbdfa84eacf80947f2d4b01d3036e91ad283184acc8052e9887dc63c9f9dd9371 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x660A | 5136 bytes |
font_01_sfnt_off00007781.bin27c9ebbec66dd98cae5b352cde774cd5a6ee9767beaca631e0f8194d5ffc1ea3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7781 | 15728 bytes |
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