MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a redirector service, which is a common tactic for distributing malware or leading users to phishing sites. The document body and heuristics indicate a lure related to 'engineering mechanics dynamics 6th edition pdf', likely to entice clicks. The presence of numerous external PDF links further suggests a link farm designed to attract traffic.
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=engineering+mechanics+dynamics+6th+edition+pdf
- http://files.seedsolutionsseedlabs.com/uploads/1/3/1/8/131856270/1205431.pdf
- http://files.oldpaintlickcemetery.org/uploads/1/3/1/6/131637081/xuwolep.pdf
- http://files.virtuousink.net/uploads/1/3/0/7/130738725/f2c83d3e96f.pdf
- http://files.rileysportsequipment.com/uploads/1/3/2/7/132741476/gofenofesi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42257023754.pdf
- https://cdn.shopify.com/s/files/1/0431/1924/7514/files/2184589845.pdf
- https://cdn.shopify.com/s/files/1/0432/7863/1072/files/jofot.pdf
- https://cdn.shopify.com/s/files/1/0430/0098/7801/files/rigimamutovarubek.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sobobubujuwin.pdf
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/lesojiridepulagobubu.pdf
- https://cdn.shopify.com/s/files/1/0435/6040/3103/files/xurasafamegogu.pdf
- https://cdn.shopify.com/s/files/1/0441/2522/5112/files/welizobalugusasifev.pdf
- https://cdn.shopify.com/s/files/1/0433/7005/3784/files/93112495491.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86399573169.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_off000045fd.bin54853d41c8c1a90ac6fac04e03827d17b38bed8b81d906cf714948fa2e807d0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45FD | 5752 bytes |
font_01_sfnt_off00005978.bin36762578793e8017ee6a88c942ae7fb67d046bd32396ef90f804072e7cd237ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5978 | 9680 bytes |
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