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 a redirector service known for hosting malicious content. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a 'high school teacher cover letter template'. This suggests a phishing or scam attempt, likely using the embedded links to download further malicious content or redirect users to phishing sites.
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=high+school+teacher+cover+letter+template
- http://files.doomedtorepeathistory.org/uploads/1/3/0/8/130814728/mozuvinav.pdf
- http://tigoxefub.drvegetableinc.com/uploads/1/3/0/8/130873822/f7b3b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/74535711799.pdf
- https://cdn.shopify.com/s/files/1/0432/6067/4210/files/wefasuvexejuva.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/4132599785.pdf
- https://cdn.shopify.com/s/files/1/0431/4673/9868/files/97296102290.pdf
- https://cdn.shopify.com/s/files/1/0434/1186/5751/files/introduction_to_graph_theory_douglas_west.pdf
- https://cdn.shopify.com/s/files/1/0435/9743/0941/files/78107581057.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30106301206.pdf
- https://cdn.shopify.com/s/files/1/0430/5072/9634/files/80498072583.pdf
- https://cdn.shopify.com/s/files/1/0428/7060/3932/files/longest_anime_name.pdf
- https://cdn.shopify.com/s/files/1/0431/5312/9640/files/46620279151.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_off000063a7.bincf75244c6c82a74b6f105835de44b73b7d3c1d68f20338ed824110a1fe0b8e0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63A7 | 5368 bytes |
font_01_sfnt_off000075d1.bin6c6e6c212b4fd451c29fc3e45db82378fcc0515c7dcd1835e6bb2ef4a695d956 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D1 | 10180 bytes |
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