MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=carnatic+music+lessons+malayalam+pdf'. This indicates the document's primary purpose is to lure users to a potentially harmful site. The presence of numerous other PDF links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to improve the redirector's visibility. The ML classifier also strongly flagged this PDF as malicious.
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=carnatic+music+lessons+malayalam+pdf
- http://files.alllifeisyoga.org/uploads/1/3/1/3/131379296/8206359.pdf
- http://files.ghostinspectors.com/uploads/1/3/0/7/130775249/7430753.pdf
- http://files.halifaxpto.com/uploads/1/3/1/3/131379761/duwofolunirojar-buvokojivimaza-zumefamatejen-zuluz.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/ruzamebetozinol.pdf
- https://cdn.shopify.com/s/files/1/0435/7016/7967/files/redis_install_mac.pdf
- https://cdn.shopify.com/s/files/1/0429/7667/3946/files/958964583.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.pdf
- https://cdn.shopify.com/s/files/1/0432/5015/5688/files/a_soul_s_bane_osrs.pdf
- https://cdn.shopify.com/s/files/1/0427/9861/2636/files/business_plan_restaurant.pdf
- https://cdn.shopify.com/s/files/1/0430/3532/8661/files/79835532023.pdf
- https://cdn.shopify.com/s/files/1/0430/5187/6509/files/severe_anemia_in_pregnancy.pdf
- https://cdn.shopify.com/s/files/1/0438/4089/7181/files/78801987066.pdf
- https://cdn.shopify.com/s/files/1/0428/8570/9987/files/wadapavodi.pdf
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/gst_authorised_signatory_letter_format_for_partnership.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_off0000590f.binea23b0acaaf4ee6c5da0650371d3fd43c77e6178e9ae2bb633a3dcb75aab9ec3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x590F | 5308 bytes |
font_01_sfnt_off00006b09.bin01844c15a04088f80a711d522d0a755ddb255709e8573c2cb3b6d225b755d2aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B09 | 13156 bytes |
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