MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=selenium+headless+chrome++file', which is a critical indicator. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic, potentially to distribute further malicious content.
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=selenium+headless+chrome++file
- http://files.yashbangera.com/uploads/1/3/0/7/130738625/83486b04a35.pdf
- https://cdn.shopify.com/s/files/1/0430/7209/4362/files/85018209049.pdf
- https://cdn.shopify.com/s/files/1/0437/0091/2283/files/basic_bookkeeping_free_download.pdf
- https://cdn.shopify.com/s/files/1/0447/0394/0762/files/bipimiju.pdf
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/65173494749.pdf
- https://cdn.shopify.com/s/files/1/0432/0568/9499/files/angiosome_concept.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/motogofir.pdf
- https://cdn.shopify.com/s/files/1/0433/0081/5006/files/73341392889.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/the_brightest_stars._poar_zmysw_anna_todd.pdf
- https://cdn.shopify.com/s/files/1/0440/3481/8198/files/18268635831.pdf
- https://cdn.shopify.com/s/files/1/0429/2562/1404/files/44017308747.pdf
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/barbara_ann_brennan.pdf
- https://cdn.shopify.com/s/files/1/0432/6955/4332/files/vuzulakaloparogefatiro.pdf
- https://cdn.shopify.com/s/files/1/0432/8387/3942/files/how_to_uninstall_parallels_on_mac.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_off00006b71.bineed0a9e484533f48d9c61eb00c744fb33bfe47a082a7dbd40235735a1ab589f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B71 | 5364 bytes |
font_01_sfnt_off00007d6e.bin89a22bbe5899f86948c298a7e811bb54ba1d309a1d4a0c8427c07a7734ebd3c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D6E | 11340 bytes |
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