MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector infrastructure, disguised with a seemingly innocuous keyword. It also features a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
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=ethiopian+classical+music+free
- http://daxumab.mk-bricks.ca/uploads/1/3/0/8/130813765/sokefigivigetit_tazerixodazuro.pdf
- http://files.mlkhumanityproject.com/uploads/1/3/0/7/130776712/7099070.pdf
- http://pitit.bigdogpots.com/uploads/1/3/0/7/130775503/digapolubixolamatowe.pdf
- http://files.observationsandconclusions.com/uploads/1/3/1/4/131453588/17a0e418a.pdf
- http://files.highbanks.com/uploads/1/3/0/8/130814078/faruzamuxug.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/1141/4939/files/jewarasire.pdf
- https://cdn.shopify.com/s/files/1/0445/6975/5812/files/94100227733.pdf
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/apocalypse_world_ita.pdf
- https://cdn.shopify.com/s/files/1/0437/9875/7538/files/lawegi.pdf
- https://cdn.shopify.com/s/files/1/0430/9575/2864/files/58376968029.pdf
- https://cdn.shopify.com/s/files/1/0436/0637/6611/files/red_lava_lamp.pdf
- https://cdn.shopify.com/s/files/1/0432/6260/7520/files/basic_access_database_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0430/3277/2757/files/dovukifu.pdf
- https://cdn.shopify.com/s/files/1/0431/1970/6279/files/rojigawipugipipufabid.pdf
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/wakijuro.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_off000073be.bina8d1c09e9d6414c2ccfeaf14514a129ccc81e3abf6d370da18c3d257f76277b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73BE | 5212 bytes |
font_01_sfnt_off00008546.bin6b54514e1fb5abc3fb6d5cb03e7119584b5fff0394bc559827c65f4876f79d6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8546 | 10176 bytes |
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