MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=cadence+allegro+manual+pdf'. The document body, though heavily obfuscated, suggests a lure related to technical manuals, aligning with the malicious redirector's purpose of directing users to potentially harmful 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.ru/pify?keyword=cadence+allegro+manual+pdf
- http://files.st-christophers-nh.org/uploads/1/3/0/7/130739712/577f4a52edf.pdf
- http://files.guardianangelshealing.com/uploads/1/3/1/4/131453421/pexubajoji-delufego.pdf
- http://files.stemedacademy.com/uploads/1/3/1/6/131637273/wizorumaxidu_begulamibit.pdf
- http://files.beth-patterson.com/uploads/1/3/1/3/131381095/1224428.pdf
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/56803479256.pdf
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/ximaxevuwowarajewusures.pdf
- https://cdn.shopify.com/s/files/1/0430/7307/7415/files/68531972739.pdf
- https://cdn.shopify.com/s/files/1/0427/7462/6470/files/jumutusa.pdf
- https://cdn.shopify.com/s/files/1/0429/3135/5807/files/deramo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/punafaga.pdf
- https://cdn.shopify.com/s/files/1/0431/8799/4792/files/50085042103.pdf
- https://cdn.shopify.com/s/files/1/0437/8879/6053/files/89827529827.pdf
- https://cdn.shopify.com/s/files/1/0433/9456/4250/files/31133760141.pdf
- https://cdn.shopify.com/s/files/1/0437/5432/4117/files/rexugabawivajotilowobasis.pdf
- https://cdn.shopify.com/s/files/1/0438/9502/9915/files/monofozutajen.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/83171973583.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/
- https://cdn.shopify.com/s/files/1/0427/7462/6470/f
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e47.bin132fee8c944751ce4f61074b43ed601a0418904ec9b5395869083cce7bc696f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E47 | 5076 bytes |
font_01_sfnt_off00008f6d.bin03e8a63d0582697902eba1156617425027e7e561fd8cd232a529fa3b052f9ba5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F6D | 10792 bytes |
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