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 Shopify domains hosting other PDFs, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure (ttraff.cc), which is likely the primary malicious payload delivery mechanism. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=diary+entry+questions+and+answers
- http://files.stfrancisdesales-saginaw.org/uploads/1/3/0/8/130874278/5742218.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dobemajafapurotexujebo.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/92333167726.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/nokia_android_mobiles_below_50000.pdf
- https://cdn.shopify.com/s/files/1/0438/2546/3456/files/nifawemebufijimafewoxener.pdf
- https://cdn.shopify.com/s/files/1/0440/2066/2422/files/zonemavufiwiju.pdf
- https://cdn.shopify.com/s/files/1/0437/5258/7415/files/44489159556.pdf
- https://cdn.shopify.com/s/files/1/0433/8781/4044/files/jifakigixitokotanakux.pdf
- https://cdn.shopify.com/s/files/1/0427/4677/3660/files/beatles_complete_guitar.pdf
- https://cdn.shopify.com/s/files/1/0438/3883/2800/files/node_read_json_file.pdf
- https://cdn.shopify.com/s/files/1/0433/2571/8678/files/funawazufokuge.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8020/files/nelelujafo.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_off0000671c.bina1d3d76152bf275572edf8f8e20548d885f92c54615fff35d0046f811ce81eb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x671C | 5104 bytes |
font_01_sfnt_off0000789b.bin8620d3f16084b03c9d07e599bdcdcb58159019589f3cbccff27ff66443b3bc6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x789B | 10680 bytes |
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