MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link to 'ttraff.com', identified as a malicious redirector. The document body, though partially corrupted, includes the text 'Viking alarm check valve assembly pdf', suggesting a lure to entice users to click the malicious link. The presence of numerous other links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious.
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=viking+alarm+check+valve+assembly+pdf
- http://files.ph-reviewers.com/uploads/1/3/1/4/131453456/60b3fb7dce2c.pdf
- http://files.cmsreads.com/uploads/1/3/0/7/130775840/211c5b.pdf
- http://files.chaowangart.com/uploads/1/3/1/4/131407692/0de1632a7447e.pdf
- http://files.educationfrosh.com/uploads/1/3/0/9/130969446/1619030.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/vemaxojurix.pdf
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/2574000265.pdf
- https://cdn.shopify.com/s/files/1/0430/2703/8369/files/87957507985.pdf
- https://cdn.shopify.com/s/files/1/0435/1806/6843/files/tau_codex_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/2345/6661/files/runimirukojib.pdf
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/xevitijuzenoxipemirub.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/tuterudewoboroxawunaxuk.pdf
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/kunutimegugevekamu.pdf
- https://cdn.shopify.com/s/files/1/0432/1653/5720/files/23007818526.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/17548477422.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38655606666.pdf
- https://cdn.shopify.com/s/files/1/0434/0337/8839/files/fosofonuwokimar.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_off00004236.bin4e5c61980e5cb610aaf7b2d304538bfb36e824b226aae375453acf8008f6430f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4236 | 5900 bytes |
font_01_sfnt_off0000563a.binfd389e4553b7cae8fb168a0cd84fc077ad5e8f394a4a74313c4e0fc228ee1ade |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x563A | 8940 bytes |
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