MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a critical heuristic firing for a link to a known malicious redirector at 'ttraff.com'. Additionally, another critical heuristic identified a link farm within the PDF, suggesting a coordinated effort to distribute malicious content. The ML classifier strongly supported the malicious verdict. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure.
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.com/pify?keyword=osrs+icthlarin%2527+s+little+helper
- http://files.masslibaz.org/uploads/1/3/1/4/131454316/e0c42.pdf
- http://files.enterhisgatescamp.com/uploads/1/3/0/7/130740255/zujef.pdf
- http://files.johnkenower.com/uploads/1/3/2/6/132681698/bebikepelilufotifob.pdf
- http://files.elkcreekbaptist.com/uploads/1/3/1/4/131484029/8705695.pdf
- http://files.annagroves.com/uploads/1/3/1/8/131856545/xuvub-vigad-bexozalekaforad.pdf
- https://cdn.shopify.com/s/files/1/0434/7022/5574/files/lebafuwegokolido.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/82861144818.pdf
- https://cdn.shopify.com/s/files/1/0431/6764/5852/files/73716759102.pdf
- https://cdn.shopify.com/s/files/1/0431/3851/5095/files/38451192068.pdf
- https://cdn.shopify.com/s/files/1/0432/0329/7438/files/5304397897.pdf
- https://cdn.shopify.com/s/files/1/0434/3467/2285/files/dowuxow.pdf
- https://cdn.shopify.com/s/files/1/0435/5624/1557/files/daxisopijanolubuto.pdf
- https://cdn.shopify.com/s/files/1/0431/2901/2381/files/rapirodokalewulimaxejol.pdf
- https://cdn.shopify.com/s/files/1/0432/8944/4510/files/32219670124.pdf
- https://cdn.shopify.com/s/files/1/0437/2309/6216/files/retesubef.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_off000085a4.bin3e1a0f0f1283b5540a1c087b329ea5ca05bc5f43700e2bad912ac016e80510b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85A4 | 4760 bytes |
font_01_sfnt_off000095c0.binf6af450093294587fad957f2440432963169839729955fd1d2434ee4e06358ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95C0 | 10336 bytes |
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