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 pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to a malicious site. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are unknown or point to potentially suspicious domains. 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=break+even+analysis+example+problems+pdf
- http://temuve.centralsecurityservices.net/uploads/1/3/0/8/130874218/dobidedumit-nopovineweziw.pdf
- http://files.nyacuchiro.com/uploads/1/3/2/6/132680874/d46b5.pdf
- http://mamegafat.the-crazycucumber.com/uploads/1/3/1/3/131380429/konavufosaxuta_toxokanurasibas_bifejomu.pdf
- http://files.nationalhellenicsociety.net/uploads/1/3/0/8/130814623/9913736.pdf
- http://files.kantishnaouterwear.com/uploads/1/3/0/7/130776887/7229470.pdf
- https://cdn.shopify.com/s/files/1/0429/1526/6713/files/76843566366.pdf
- https://cdn.shopify.com/s/files/1/0440/0440/9494/files/public_administration_books_in_gujarati.pdf
- https://cdn.shopify.com/s/files/1/0439/1567/3752/files/sonic_says_meme.pdf
- https://cdn.shopify.com/s/files/1/0431/6912/0413/files/craftsman_lt2000_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/1830/5179/files/lajudinujawip.pdf
- https://cdn.shopify.com/s/files/1/0431/4664/1570/files/3405366866.pdf
- https://cdn.shopify.com/s/files/1/0428/0736/1703/files/12th_centum_scored_answer_papers_download.pdf
- https://cdn.shopify.com/s/files/1/0429/7143/1065/files/dutawiwunalisemabojujer.pdf
- https://cdn.shopify.com/s/files/1/0437/4324/8533/files/bradley_hand_font.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/
- https://cdn.shopify.com/s/files/1/04
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066e4.binc475bab6e4545ddeccf2e810ea6c4d0bd8a9a8ba7ce76424e8a31640c27e8f18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66E4 | 5668 bytes |
font_01_sfnt_off00007a30.bin20038fd7c4b112b20493a93f770a4ec9589cc7fb70c76e09e76cc32c33151e07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A30 | 10640 bytes |
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