MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a high number of embedded links, many pointing to external PDFs. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=b+a+c+full+form'. The document body contains garbled text but includes the same redirector URL and several Shopify-hosted PDF links. The presence of numerous links suggests a link farm or redirection strategy, potentially leading to further 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=b+a+c+full+form
- http://lebed.macarthurjrotc.com/uploads/1/3/0/9/130969483/litaxijiwipajegalutu.pdf
- http://nevow.bieronskied.com/uploads/1/3/0/8/130873998/bawogewe.pdf
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/lekipakorunogux.pdf
- https://cdn.shopify.com/s/files/1/0432/5995/3312/files/islamic_baby_names_with_tamil_meaning_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4800/files/lekaxoviv.pdf
- https://cdn.shopify.com/s/files/1/0428/0074/2567/files/dibisowa.pdf
- https://cdn.shopify.com/s/files/1/0430/8028/6372/files/letaluzowowuwozexivuwi.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8395/files/33222953525.pdf
- https://cdn.shopify.com/s/files/1/0440/0631/0046/files/biztalk_server_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/fatuwefolonuwuwubosukuzem.pdf
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/real_life_discipleship_training_manual.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_off00007992.bin6ff78e1f901ee9b01b0c9c0277c50aa5111114457652e95cfecfdca01e4ced81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7992 | 4900 bytes |
font_01_sfnt_off00008a1b.bin81431dc148678193b7e518e4a4e689c132c1d67163f4e8feda5de9a9ce72e56d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A1B | 9852 bytes |
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