MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL and references 'watermark pdf free download', indicating a lure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to improve SEO for malicious content. 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=watermark+pdf+free+download
- http://files.milwaukeedowntownchiropractic.com/uploads/1/3/1/3/131379362/43ac2f6597.pdf
- http://files.livestockhub.net/uploads/1/3/1/1/131164027/tiwox_nopesutuwejif.pdf
- http://files.pridesheltertrust.com/uploads/1/3/1/3/131381614/wanuw_topugofopa_nesafof_duxiwujokudaru.pdf
- http://tazepavos.vinylspec.com/uploads/1/3/0/7/130775918/1102873.pdf
- http://files.totsandtumblers.com/uploads/1/3/2/7/132712530/mekibegomisewiga.pdf
- https://cdn.shopify.com/s/files/1/0429/8987/9445/files/6041621546.pdf
- https://cdn.shopify.com/s/files/1/0429/9613/8137/files/54838098024.pdf
- https://cdn.shopify.com/s/files/1/0427/5830/8006/files/rafufuvebinojeremovisow.pdf
- https://cdn.shopify.com/s/files/1/0433/8614/2876/files/2860559153.pdf
- https://cdn.shopify.com/s/files/1/0432/0903/1840/files/how_to_make_a_custom_ringtone.pdf
- https://cdn.shopify.com/s/files/1/0434/5567/6568/files/61747140383.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/lefofetut.pdf
- https://cdn.shopify.com/s/files/1/0431/3966/1986/files/pimijema.pdf
- https://cdn.shopify.com/s/files/1/0437/6113/9861/files/rujamapuniduxovu.pdf
- https://cdn.shopify.com/s/files/1/0435/5080/2081/files/rubalomawifokove.pdf
- https://cdn.shopify.com/s/files/1/0433/2149/1621/files/somazib.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_off00005d8e.bin2c6a5c18d55224601afb7f7261a8bc2c4fd777c699dd6f92538b6f35c5076586 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8E | 5176 bytes |
font_01_sfnt_off00006f36.bine8c77b7229197d41e1567314752a484fe4663b3aeffb4c343a411c1651234035 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F36 | 11380 bytes |
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