MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier as malicious and contains a large number of external links, indicating a link farm or SEO manipulation tactic. One of the embedded URLs, https://ttraff.ru/pify?keyword=allanson+transformer+tester, is identified as a known malicious redirector. The document body contains garbled text but also includes the same malicious URL and several Shopify-hosted PDF links, some of which are confirmed benign, but the presence of the malicious redirector is a strong indicator of malicious intent.
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=allanson+transformer+tester
- http://files.aiohandcrafts.com/uploads/1/3/1/6/131606262/be475812edb9.pdf
- http://files.pyramidbiv.com/uploads/1/3/1/4/131453967/881920.pdf
- https://cdn.shopify.com/s/files/1/0437/1723/0741/files/72151163380.pdf
- https://cdn.shopify.com/s/files/1/0437/8198/0321/files/case_files_family_medicine_4th_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0435/6279/5171/files/fonek.pdf
- https://cdn.shopify.com/s/files/1/0434/5148/2278/files/35340841810.pdf
- https://cdn.shopify.com/s/files/1/0435/9208/9763/files/frost_dragons_rs3.pdf
- https://cdn.shopify.com/s/files/1/0437/2443/9717/files/definicion_de_cariotipo_humano.pdf
- https://cdn.shopify.com/s/files/1/0432/2407/2349/files/desercin_escolar_causas_y_consecuencias.pdf
- https://cdn.shopify.com/s/files/1/0436/6457/2569/files/kegemozusunizasegemaziju.pdf
- https://cdn.shopify.com/s/files/1/0430/7176/6690/files/project_on_working_capital_management_in_banks.pdf
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/26164728818.pdf
- https://cdn.shopify.com/s/files/1/0449/8161/6808/files/84377447642.pdf
- https://cdn.shopify.com/s/files/1/0429/5180/3033/files/65359383020.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_off0000580c.bin6a126f7475d4a17c115f315bbdbd64ef07971d8ddc303831f43a6dee09b36b69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x580C | 4904 bytes |
font_01_sfnt_off0000689e.bina93a26ce2246e33c516e936209a139e9eb4fa71a1fc703cc0480468d3632ecba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x689E | 11084 bytes |
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