MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and heuristics indicate it contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is https://ttraff.ru/pify?keyword=trumpet+jazz+music+pdf. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific 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.ru/pify?keyword=trumpet+jazz+music+pdf
- http://files.meewisseroses.com/uploads/1/3/1/8/131871648/3464655.pdf
- http://files.jnaustralia.com.au/uploads/1/3/0/7/130775715/2471478.pdf
- http://files.wisemountainyoga.com/uploads/1/3/2/6/132681740/9694647.pdf
- http://files.auburnhighfootball.com/uploads/1/3/0/7/130740363/wofowubozilozo_mewebiw_matojikugopej.pdf
- https://cdn.shopify.com/s/files/1/0430/6701/5329/files/funny_answering_machine_messages.pdf
- https://cdn.shopify.com/s/files/1/0433/9548/1750/files/11323679467.pdf
- https://cdn.shopify.com/s/files/1/0429/8316/2019/files/jereridija.pdf
- https://cdn.shopify.com/s/files/1/0434/1425/7815/files/electrical_engineering_hambley_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/7992/4902/files/zonavevanexep.pdf
- https://cdn.shopify.com/s/files/1/0438/2998/5430/files/navaki.pdf
- https://cdn.shopify.com/s/files/1/0435/2180/2404/files/6100190863.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/69752409883.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/90873591903.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dutevitijenunolekegek.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_off000062f4.bin060e69e24c0303a73faa333bb4868d335ae1aed09d7e16f41944b7e0d74fc53f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62F4 | 5344 bytes |
font_01_sfnt_off00007511.bin29fc4ac0fe21afeea0cd33293a771b122085c8a74e9b60112b4d853e87e37ed5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7511 | 10720 bytes |
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