MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including Shopify. One prominent link directs to 'ttraff.com', identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'geometric distribution problems worksheet answers', likely a lure to encourage clicks on the malicious link. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=geometric+distribution+problems+worksheet+answers
- http://files.pp-personalprotection.com/uploads/1/3/1/6/131606435/7533385.pdf
- http://nirufazib.marktobin.com/uploads/1/3/0/8/130814070/5565218.pdf
- http://files.hordlevoluntarycare.org/uploads/1/3/0/8/130874413/zoladamalija.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0525/5577/files/96094955943.pdf
- https://cdn.shopify.com/s/files/1/0434/0452/5720/files/45204463181.pdf
- https://cdn.shopify.com/s/files/1/0434/0331/3315/files/berozebulaba.pdf
- https://cdn.shopify.com/s/files/1/0437/8643/6759/files/tegiperuvejexotenimeg.pdf
- https://cdn.shopify.com/s/files/1/0437/5393/0901/files/62165122450.pdf
- https://cdn.shopify.com/s/files/1/0432/0962/1665/files/70143102615.pdf
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/45237608323.pdf
- https://cdn.shopify.com/s/files/1/0432/9085/3531/files/60302317797.pdf
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/mavibitekukax.pdf
- https://cdn.shopify.com/s/files/1/0438/8651/0232/files/xapow.pdf
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/mataweroga.pdf
- https://cdn.shopify.com/s/files/1/0437/2735/6056/files/87765081050.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000044c3.bind19971d550d185268a634da0540a6a684453d29e7286d5348c11a31f01cd9cb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44C3 | 5640 bytes |
font_01_sfnt_off000057d2.bin9ad29a161ae7b668dda1d0143b15f7f2d28b7bb211b116dd27b8884729ab4468 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57D2 | 9572 bytes |
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