MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link that is disguised as a download for programming notes. The link leads to a URL that is known to host malicious content. The PDF also contains a large number of external links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute the malicious content.
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=internet+and+java+programming+notes+pdf
- http://files.juliedowling.net/uploads/1/3/1/1/131163898/xitutoj.pdf
- http://files.nelacrosseschool.com/uploads/1/3/1/4/131438216/jipidunufodubi.pdf
- http://files.roystonroyalbookstore.com/uploads/1/3/0/9/130969185/47fcd0c4416766.pdf
- http://files.christinafriedle.com/uploads/1/3/1/6/131636987/dinunolup.pdf
- http://files.mcearlychildhoodprogram.com/uploads/1/3/1/8/131871633/016078a8478c894.pdf
- https://cdn.shopify.com/s/files/1/0440/6670/1477/files/42510493993.pdf
- https://cdn.shopify.com/s/files/1/0434/6963/5746/files/xinitareruko.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/44027472536.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jatud.pdf
- https://cdn.shopify.com/s/files/1/0437/2329/2822/files/51748572194.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5800/files/79075632102.pdf
- https://cdn.shopify.com/s/files/1/0435/0319/0181/files/relisisexili.pdf
- https://cdn.shopify.com/s/files/1/0441/0900/4952/files/bujaziwefalopa.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7182/files/16178518487.pdf
- https://cdn.shopify.com/s/files/1/0430/3480/4375/files/kuwiruru.pdf
- https://cdn.shopify.com/s/files/1/0436/1561/7182/files/21335974918.pdf
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/31668254186.pdf
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/18309989433.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_off000079b6.bin9d736273f387da0038d8ccdcbd1be640b1d7bf78f20d4e5b6f3f2d6642296a05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B6 | 5192 bytes |
font_01_sfnt_off00008b52.bin228ce1fef9c644c024ffc74b2b79d5602c569476bf1d51f32c6bf2f4d645d8f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B52 | 11840 bytes |
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