MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links redirects to a known malicious redirector, ttraff.cc, which is disguised as a download for study materials. This indicates a social engineering attempt to trick users into visiting malicious infrastructure.
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=ssc+stenographer+previous+year+paper+pdf+download
- http://files.notjustanotherhomosexual.ca/uploads/1/3/2/6/132681452/renutov.pdf
- http://files.ericksoneducationalconsulting.com/uploads/1/3/0/7/130739648/4837537.pdf
- http://files.undercoverchefs.net/uploads/1/3/0/7/130776594/jisawitodinuma.pdf
- https://cdn.shopify.com/s/files/1/0435/4323/2661/files/moxefas.pdf
- https://cdn.shopify.com/s/files/1/0438/9090/1144/files/51917508179.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/97595347636.pdf
- https://cdn.shopify.com/s/files/1/0433/4573/9941/files/82654441847.pdf
- https://cdn.shopify.com/s/files/1/0434/4722/2422/files/gaxulafimakame.pdf
- https://cdn.shopify.com/s/files/1/0438/5187/4466/files/statistical_methods_in_medical_research_book_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/5468/5599/files/pdf_editor_text_online_free.pdf
- https://cdn.shopify.com/s/files/1/0431/2599/7722/files/garmin_920xt_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/13624204887.pdf
- https://cdn.shopify.com/s/files/1/0439/3094/3643/files/piworufukelo.pdf
- https://cdn.shopify.com/s/files/1/0437/5665/0645/files/fitafofoboleruxaxozamemu.pdf
- https://cdn.shopify.com/s/files/1/0435/8130/9085/files/84584879202.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000606c.bincc731b1bf2a18790d08088d86f5c473284000e4bfb80ed9bb4268929942b642a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x606C | 5772 bytes |
font_01_sfnt_off00007429.bin190ca2610154cef6adbedaa29dc343fce1f53f0706cc52668f3149739447f130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7429 | 10380 bytes |
font_02_sfnt_off000097a4.bind7a1248cabf161ff78a072bd924b98f1b4e551660f4e151c9433689786990c0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97A4 | 2832 bytes |
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