MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is part of a link farm designed to distribute malware. The document body, though heavily obfuscated, contains the target URL and other URLs that appear to be part of a SEO link farm strategy. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to malicious redirection.
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=managing+stress+in+recovery+worksheets
- http://wowape.firstclasssuccess.com/uploads/1/3/2/6/132696483/2782215.pdf
- http://popomi.jimdarow.com/uploads/1/3/1/3/131383483/xalugabonaxi-femitefuranugob-mavawepotos-pawoz.pdf
- http://files.centralfloridabirth.com/uploads/1/3/1/4/131453256/lemunijepoxevogaxum.pdf
- https://cdn.shopify.com/s/files/1/0432/8692/1374/files/lazonikawute.pdf
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/application_letter_for_fresh_graduate.pdf
- https://cdn.shopify.com/s/files/1/0431/3602/4742/files/54106634294.pdf
- https://cdn.shopify.com/s/files/1/0438/0357/4434/files/battle_royale_novel_download.pdf
- https://cdn.shopify.com/s/files/1/0432/0729/5140/files/fibatalufogiwulazix.pdf
- https://cdn.shopify.com/s/files/1/0433/6913/6280/files/discrete_mathematics_epp.pdf
- https://cdn.shopify.com/s/files/1/0430/8199/0295/files/munupikulamojovu.pdf
- https://cdn.shopify.com/s/files/1/0432/9648/9632/files/indonesia_vpn_for_android_apk.pdf
- https://cdn.shopify.com/s/files/1/0447/9533/0717/files/63129132157.pdf
- https://cdn.shopify.com/s/files/1/0436/1568/2717/files/sudofurukerulaf.pdf
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/bowisupu.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_off00006cb5.bin59e6317d6356b70db703af6225f1f83e2dece216f6867ec5549c537e5f9387dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CB5 | 5352 bytes |
font_01_sfnt_off00007f07.binb80bc1ce235af3d77c8243091fb51aac4daefc2a7a7e1c34448663fe7b5b785d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F07 | 10088 bytes |
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