MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though partially garbled, includes the URL and text suggesting it's a review answer key, a common lure. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or SEO abuse tactic, likely to obscure the malicious redirector.
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.cc/pify?keyword=momentum+impulse+and+collisions+test+review+answers
- http://files.sathiavanee-veeramoothoo.com/uploads/1/3/1/8/131871891/jidutemepupaz.pdf
- http://files.fresnotreeservicecompany.com/uploads/1/3/0/7/130740609/tapipebijuradir_gezomo_gevej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49186839350.pdf
- https://cdn.shopify.com/s/files/1/0461/8194/1402/files/62750704642.pdf
- https://cdn.shopify.com/s/files/1/0438/6878/2757/files/41399597426.pdf
- https://cdn.shopify.com/s/files/1/0436/1145/5645/files/bekiwuxuw.pdf
- https://cdn.shopify.com/s/files/1/0434/0934/2621/files/sijariranekosurusinube.pdf
- https://cdn.shopify.com/s/files/1/0437/5068/6874/files/38630829227.pdf
- https://cdn.shopify.com/s/files/1/0440/2393/9237/files/79681294328.pdf
- https://cdn.shopify.com/s/files/1/0436/0654/0445/files/subtraction_strategies_grade_1_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0435/1646/1211/files/crossfit_bodyweight_wod.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18983443830.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000454d.bind2677a17661747b32c831c21fa8dffac0d58fcd36832d192471e0fe2d967fb72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x454D | 5376 bytes |
font_01_sfnt_off00005792.bin3b772f31c7c89ed443a667ebec8d720a07d56c731223f1ec1400943a1b495bdd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5792 | 9680 bytes |
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