MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The embedded URL https://ttraff.ru/pify?keyword=pharmaceutical+gmp+audit+report is the primary indicator of this malicious redirection. The PDF also contains a large number of external links, flagged by PDF_SEO_LINK_FARM, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly supports the malicious verdict.
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=pharmaceutical+gmp+audit+report
- http://files.a1fitnessusa.com/uploads/1/3/1/3/131382721/3944884.pdf
- http://ginamewid.idcseychelles.com/uploads/1/3/1/3/131383483/bepakotazi.pdf
- http://files.totalharvestcontrol.com/uploads/1/3/1/6/131637385/3142294.pdf
- http://jokisifot.loveurneighbour.com/uploads/1/3/1/3/131380600/xutikezo_losanip.pdf
- http://bimida.returningtocompassion.org/uploads/1/3/1/6/131636655/jomanegizi.pdf
- https://cdn.shopify.com/s/files/1/0432/2312/2084/files/fikarijiwusixe.pdf
- https://cdn.shopify.com/s/files/1/0434/7982/6584/files/22679692389.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/mixaranevadiwigapavakul.pdf
- https://cdn.shopify.com/s/files/1/0432/0129/8589/files/capability_curve_of_alternator.pdf
- https://cdn.shopify.com/s/files/1/0435/9467/8435/files/21543188193.pdf
- https://cdn.shopify.com/s/files/1/0437/2201/4885/files/zugepebezogarax.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57896919986.pdf
- https://cdn.shopify.com/s/files/1/0430/9581/8397/files/classification_of_agrochemicals.pdf
- https://cdn.shopify.com/s/files/1/0431/8229/3141/files/72550651295.pdf
- https://cdn.shopify.com/s/files/1/0431/0987/5873/files/online_books_to_read_for_free.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_off00009e58.binc83ccf26d545fde259aee2a4199c6b399f3a649c3b61cf598bb036c037aff6da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E58 | 5308 bytes |
font_01_sfnt_off0000b037.bin05c19a6e364fee9210b115e4304b4e282e8929478239c6c6a47a3b3b7b97b061 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB037 | 10588 bytes |
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