MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One prominent link directs to 'ttraff.com', a known malicious redirector, disguised as a 'vector calculus questions and answers pdf'. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.
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=vector+calculus+questions+and+answers+pdf
- http://files.theclasswebsite.org/uploads/1/3/1/4/131407655/79219fc519e12.pdf
- http://files.mickylynnsroom.com/uploads/1/3/1/8/131856121/kidufopixutelotir.pdf
- http://files.tusgart.com/uploads/1/3/1/8/131857494/4435140.pdf
- http://files.baltimoreschool.net/uploads/1/3/1/8/131872032/2312105.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0655/8359/files/64728062397.pdf
- https://cdn.shopify.com/s/files/1/0432/9770/2046/files/92423268992.pdf
- https://cdn.shopify.com/s/files/1/0429/8362/0767/files/chevy_cruze_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/8944/4510/files/83246476206.pdf
- https://cdn.shopify.com/s/files/1/0437/5671/6183/files/sims_2_resolution_stuck_on_800x600.pdf
- https://cdn.shopify.com/s/files/1/0429/6582/7747/files/01_198_437.pdf
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/jaribasigotixo.pdf
- https://cdn.shopify.com/s/files/1/0434/7897/4616/files/i_walked_across_an_empty_land.pdf
- https://cdn.shopify.com/s/files/1/0432/2859/4344/files/54236060237.pdf
- https://cdn.shopify.com/s/files/1/0435/9792/2461/files/paxedukevururaxogife.pdf
- https://cdn.shopify.com/s/files/1/0436/3865/3086/files/piezo_buzzer.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_off00006fda.bin219d1922fd6886cee9b3ba0d213b56e89035f63e1a3dca4f4e8e9be5a5c018d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FDA | 5332 bytes |
font_01_sfnt_off00008220.binb8aca1e565eed5033d1612f706d1ff3a5bcc4369760ec2da18f4b01493c120b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8220 | 12560 bytes |
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