MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=human+anatomy+and+physiology+with+pathophysiology+book+pdf'. The document body, though partially corrupted, also contains this URL, suggesting a lure to a malicious site disguised as a book download. No scripts were extracted from this sample.
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=human+anatomy+and+physiology+with+pathophysiology+book+pdf
- http://pumadoke.thestitchisbackpdx.com/uploads/1/3/2/6/132695492/wutedokolez.pdf
- http://xemikub.pigtalerestaurant.com/uploads/1/3/0/8/130814238/9702464.pdf
- http://files.furrealphilly.com/uploads/1/3/0/8/130873855/ladakugurute-xuxibotuv-zamuwijafim.pdf
- http://valikede.mirasolphysicalrehab.com/uploads/1/3/0/7/130739678/3363918.pdf
- https://cdn.shopify.com/s/files/1/0435/8340/6243/files/luvoxowesuf.pdf
- https://cdn.shopify.com/s/files/1/0433/1149/7366/files/25951960046.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/vabavaxaxusaselixagife.pdf
- https://cdn.shopify.com/s/files/1/0433/0881/0398/files/53525729046.pdf
- https://cdn.shopify.com/s/files/1/0428/9930/8711/files/48082647224.pdf
- https://cdn.shopify.com/s/files/1/0431/6381/1997/files/8616568518.pdf
- https://cdn.shopify.com/s/files/1/0436/0398/4547/files/avengers_fanfiction_tony_multilingual.pdf
- https://cdn.shopify.com/s/files/1/0432/1571/6516/files/96418246182.pdf
- https://cdn.shopify.com/s/files/1/0438/8667/4088/files/cadver_exquisito_agustina_bazterrica.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068fe.bined7eaa086ce081b10b745a9a6678a511952f6e0bb735ba5b321165689790226a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68FE | 5480 bytes |
font_01_sfnt_off00007b85.bin4857a22e352edb936d22a2dc0f910292db9b0176c0d9c5c5947820d3cd95f579 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B85 | 10148 bytes |
font_02_sfnt_off00009e42.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E42 | 4324 bytes |
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