MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'computer skills exam questions and answers' and a URL that points to a malicious redirector. This suggests a phishing or scam attempt designed to lead users to 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.ru/pify?keyword=computer+skills+exam+questions+and+answers
- http://files.pastelsocietyofsoutheasttexas.org/uploads/1/3/1/4/131410234/sozodutodibulajo.pdf
- http://files.ieleaders.net/uploads/1/3/0/7/130776718/45c35ab516bd.pdf
- https://cdn.shopify.com/s/files/1/0431/2625/9876/files/north_andover_weather_report.pdf
- https://cdn.shopify.com/s/files/1/0431/7711/5810/files/rukumuruzug.pdf
- https://cdn.shopify.com/s/files/1/0438/6498/1664/files/chuck_palahniuk_snuff.pdf
- https://cdn.shopify.com/s/files/1/0429/7572/3673/files/after_effects_free_cs6.pdf
- https://cdn.shopify.com/s/files/1/0434/7258/4870/files/halloween_songs_piano.pdf
- https://cdn.shopify.com/s/files/1/0431/0374/8263/files/lakunolilixulevu.pdf
- https://cdn.shopify.com/s/files/1/0435/4303/6053/files/luforobijan.pdf
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/35893075798.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vasopamomakazemujavinis.pdf
- https://cdn.shopify.com/s/files/1/0428/3593/5388/files/buxaw.pdf
- https://cdn.shopify.com/s/files/1/0462/0658/2937/files/11263217677.pdf
- https://cdn.shopify.com/s/files/1/0437/7539/3944/files/7th_grade_math_book_common_core.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_off0000a1aa.bin48b05739bc1aa12de39ebfc7d739b48b893015d80e7d3d5035692c1ebb71e2d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1AA | 5360 bytes |
font_01_sfnt_off0000b3d8.binf7c8c3ccc4c61961b2ab71ecc6ccd5a346b1aa55aa2785fbe5b4a13f1049cac8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3D8 | 10340 bytes |
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