MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL 'https://ttraff.ru/pify?keyword=carrom+rules+book+pdf' is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. The document body, though heavily obfuscated, contains the same URL, reinforcing its role in the attack.
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=carrom+rules+book+pdf
- http://files.annapicklesharvey.com/uploads/1/3/1/4/131438111/dinizagopizotu.pdf
- http://files.malnomusic.com/uploads/1/3/1/4/131414240/pesikenudeparu.pdf
- http://files.raindanceh2ostore.com/uploads/1/3/2/6/132681294/1124265.pdf
- https://cdn.shopify.com/s/files/1/0432/6280/4136/files/74643039601.pdf
- https://cdn.shopify.com/s/files/1/0427/9376/2975/files/kudaz.pdf
- https://cdn.shopify.com/s/files/1/0433/9017/3349/files/3536895413.pdf
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/25512659477.pdf
- https://cdn.shopify.com/s/files/1/0437/3220/5722/files/vogefonogaguguxurez.pdf
- https://cdn.shopify.com/s/files/1/0430/9352/4634/files/livre_pour_apprendre_le_franais_gratuit.pdf
- https://cdn.shopify.com/s/files/1/0430/2841/4618/files/robibuvologoza.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/72692988866.pdf
- https://cdn.shopify.com/s/files/1/0437/4216/7194/files/vmware_fusion_for_mac.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/nijom.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/92522940245.pdf
- https://cdn.shopify.com/s/files/1/0429/1241/5897/files/puzegiririjobomod.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_off0000bf7a.bina8ebf651a409b2f9c99f2a2515a9d80390ca9ffe80c052def57bb0f587c0a47d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF7A | 5296 bytes |
font_01_sfnt_off0000d15d.binb70c382b8d1a07335dd37d005802b2d81e9c94847786f39ce287898f16e707d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15D | 9780 bytes |
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