MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a high number of embedded links, many pointing to unknown or potentially malicious domains, indicative of a link farm or SEO manipulation tactic. The primary malicious URL identified is ttraff.com, which is flagged as a redirector. The document body, though heavily obfuscated, contains the phrase 'Funny brain teasers questions with answers' and the malicious URL, suggesting a lure to trick users into clicking malicious links.
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=funny+brain+teasers+questions+with+answers
- http://logavoxu.ucra.us/uploads/1/3/1/3/131383664/gadenozibix.pdf
- http://revudaxev.georgeflcharlesairport.com/uploads/1/3/0/7/130775136/388e9.pdf
- http://mekumid.cyborgmustangs.com/uploads/1/3/1/6/131637027/8373266.pdf
- http://sapekos.summersautomotivedetailing.co.uk/uploads/1/3/2/6/132682787/9646634.pdf
- http://files.thebossygourmet.com/uploads/1/3/2/7/132712306/888751.pdf
- https://cdn.shopify.com/s/files/1/0451/7340/7893/files/87105276093.pdf
- https://cdn.shopify.com/s/files/1/0436/9121/2950/files/zujuful.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/free_isa_arborist_certification_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/2253/2251/files/cbse_syllabus_for_class_10_maths_2020_18.pdf
- https://cdn.shopify.com/s/files/1/0437/5996/0218/files/67065992214.pdf
- https://cdn.shopify.com/s/files/1/0448/0018/0375/files/adjetivos_posesivos_frances_ejercicios.pdf
- https://cdn.shopify.com/s/files/1/0428/6208/4262/files/learning_pencil_drawing.pdf
- https://cdn.shopify.com/s/files/1/0431/7570/6788/files/mupobuxogagu.pdf
- https://cdn.shopify.com/s/files/1/0436/9481/7435/files/gewigipesigisisizevene.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7461/files/48910286252.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_off000082a7.bin5bddf2d3b444118fc55649b4548a3d256c79c73e1fd9850106491a41a0d9bc0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82A7 | 5156 bytes |
font_01_sfnt_off00009440.bin2a08d5f0136ca4526a60f0b4e1a5bd85b6d2d2e9fa8ad2806543cf5cd99d8dde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9440 | 10528 bytes |
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