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.ru, disguised as a crossword clue answer. The document body also contains numerous links to external PDFs hosted on various domains, including shopify.com and other unknown hosts, suggesting a link farm or redirection strategy. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to a malicious redirector.
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=la+times+crossword+clues+answers
- http://lomodi.marchdrumcorps.com/uploads/1/3/0/7/130776783/waxulutonefobedeza.pdf
- http://files.samalaghoshcreations.com/uploads/1/3/1/6/131606027/fobedod-nafuwafiti-vaboxokid-nunufuf.pdf
- http://files.marksullivan.ca/uploads/1/3/1/6/131606260/jiwofadesubuzerut.pdf
- https://cdn.shopify.com/s/files/1/0436/9799/5944/files/the_investigators_of_arkham_horror_book.pdf
- https://cdn.shopify.com/s/files/1/0429/2293/4435/files/lobivunusa.pdf
- https://cdn.shopify.com/s/files/1/0435/1649/3976/files/39274975311.pdf
- https://cdn.shopify.com/s/files/1/0435/4372/4186/files/85802834462.pdf
- https://cdn.shopify.com/s/files/1/0433/6903/7982/files/38808253525.pdf
- https://cdn.shopify.com/s/files/1/0429/5763/5735/files/fishing_report_greers_ferry_lake_arkansas.pdf
- https://cdn.shopify.com/s/files/1/0440/8757/4678/files/56250868964.pdf
- https://cdn.shopify.com/s/files/1/0435/9333/4952/files/up_arrow_alt_code.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0714/files/tafowodelikarozi.pdf
- https://cdn.shopify.com/s/files/1/0430/2834/9089/files/34253284445.pdf
- https://cdn.shopify.com/s/files/1/0434/1517/5317/files/branchement_interrupteur_va_et_vient_en_simple_allumage.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_off00007046.bin79c3c50111736b10f90e28924125810726e2a204c3b8512b147294dc9ff5e654 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7046 | 5120 bytes |
font_01_sfnt_off000081a6.bin9e8a02f0941197fd53bef1f494e06f13045c5455bfdc4fc45ce7210b27dd9b65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81A6 | 10192 bytes |
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