MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm designed to appear as academic resources, but the primary link leads to a known malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though partially garbled, contains text related to 'accounting theory lecture notes pdf' and the malicious URL, suggesting a lure to download further 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=accounting+theory+lecture+notes+pdf
- http://files.patriciagodden.com/uploads/1/3/1/4/131483019/5adf2.pdf
- http://files.bergthalmennonitechurch.com/uploads/1/3/0/9/130969151/sasopofa-sanamanuxibas-napapesupi.pdf
- http://files.mhburnsclub.ca/uploads/1/3/1/4/131437753/12c635929.pdf
- http://jutika.pst4y.org/uploads/1/3/1/6/131606490/xekiki_fugole_namivurumatet_xagutuku.pdf
- http://jarusi.lastwatchhorology.com/uploads/1/3/1/6/131606346/ee5731e5f666d.pdf
- https://cdn.shopify.com/s/files/1/0430/0292/1111/files/suxurezofejosuditi.pdf
- https://cdn.shopify.com/s/files/1/0429/7857/4490/files/21367642244.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/metiliwetizo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lozafawofife.pdf
- https://cdn.shopify.com/s/files/1/0429/7385/5903/files/tafesutaxaxa.pdf
- https://cdn.shopify.com/s/files/1/0432/4527/3248/files/52742052676.pdf
- https://cdn.shopify.com/s/files/1/0434/0688/5031/files/tunisofudisepex.pdf
- https://cdn.shopify.com/s/files/1/0438/0144/4514/files/29002437476.pdf
- https://cdn.shopify.com/s/files/1/0432/7384/6952/files/gijemigasujevus.pdf
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/tadewanitesumeviwa.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_off00004bd7.binb8f6f66d9d5db07e1e9e957d701f6eabd869b4185f46909f951f17881dc04d9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4BD7 | 5300 bytes |
font_01_sfnt_off00005de8.bin46b48f5727ad60a8b76e322a4c2f35b2cda96fdacd06e5752e4aea3d8154e840 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE8 | 9160 bytes |
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