MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.ru/pify?keyword=dell+inspiron+3521+cd+rom+driver', is designed to lure users into downloading potentially harmful content by masquerading as a driver download. The presence of numerous other PDF links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to increase visibility and click-through rates. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=dell+inspiron+3521+cd+rom+driver
- http://wedefuja.tempestuous.ca/uploads/1/3/0/7/130739919/rakeroman-xafegoror-doxupaxad.pdf
- http://sixukulut.dzogchencollege.org/uploads/1/3/2/6/132681268/61bc5e7fda90b5.pdf
- https://cdn.shopify.com/s/files/1/0429/8270/3257/files/nafiguvegebi.pdf
- https://cdn.shopify.com/s/files/1/0431/1980/4567/files/osrs_1-_99_construction.pdf
- https://cdn.shopify.com/s/files/1/0429/5557/1353/files/xumudem.pdf
- https://cdn.shopify.com/s/files/1/0430/3123/2674/files/30896319712.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/75845464444.pdf
- https://cdn.shopify.com/s/files/1/0430/5394/0887/files/moxinubufovawugilulivorag.pdf
- https://cdn.shopify.com/s/files/1/0431/4028/4573/files/aer_lingus_claim_form.pdf
- https://cdn.shopify.com/s/files/1/0465/0142/9406/files/manual_aumento_de_obligaciones_sat.pdf
- https://cdn.shopify.com/s/files/1/0438/8392/1563/files/spelling_bee_words_for_grade_11.pdf
- https://cdn.shopify.com/s/files/1/0429/2119/7724/files/20252031341.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/94844003636.pdf
- https://cdn.shopify.com/s/files/1/0435/8914/0643/files/teacher_job_interview_questions_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1120/files/rowdy_baby_tamil_movie_video_song.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_off000061f8.bin21fa2980ee4d26d76bc8667f122d2d382c32ce97337d68921e7fac4eeac0b977 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61F8 | 5540 bytes |
font_01_sfnt_off000074ca.bin8147b92f027588ee1e9991e923e97b73d35561023ae7b638ed792df9500167d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74CA | 11116 bytes |
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