MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a software engineering PDF. The document body also contains numerous links to external PDFs, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to increase visibility. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood 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=software+quality+and+reliability+in+software+engineering+pdf
- http://files.larryagibbons.com/uploads/1/3/1/3/131384589/terijelani.pdf
- http://vibid.melissaradtkepiano.com/uploads/1/3/1/6/131606289/2906286.pdf
- http://files.tonyottenauthor.com/uploads/1/3/1/4/131453924/847da69e.pdf
- http://files.portlibrary.org/uploads/1/3/1/4/131406518/kadagegemepap.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/4500/1115/files/feruvuruwebirenifudisowe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57032902602.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/26303351656.pdf
- https://cdn.shopify.com/s/files/1/0436/2718/4281/files/munopuxepojepizapiwariv.pdf
- https://cdn.shopify.com/s/files/1/0447/7042/7031/files/balancing_redox_reactions_grade_11.pdf
- https://cdn.shopify.com/s/files/1/0440/7951/3752/files/guzanafejiw.pdf
- https://cdn.shopify.com/s/files/1/0435/9897/1038/files/giputumepuvodagom.pdf
- https://cdn.shopify.com/s/files/1/0433/0163/4213/files/8288358542.pdf
- https://cdn.shopify.com/s/files/1/0439/9942/8766/files/ankle_block_nysora.pdf
- https://cdn.shopify.com/s/files/1/0429/4282/4614/files/bazenufegewepojul.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8853/files/vebolimera.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_off00006f65.bin2fc63700781bf682dfdabffbf861f21749221bb83533c4f51eb19822936c7eea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F65 | 5772 bytes |
font_01_sfnt_off00008322.binfc7098da28aacf6d245c77ad667c2486ecf271403aad0d929c94fc400f3d9b04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8322 | 10120 bytes |
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