MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and heuristics indicate it contains a link farm with a URL pointing to a known malicious redirector. The document body is heavily obfuscated, but the presence of the malicious redirector URL suggests an attempt to lure the user to a harmful website. The PDF also contains numerous links to Shopify-hosted PDFs, likely part of a SEO spam campaign.
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=actitud+definicion+psicologia+pdf
- http://jusibuzim.artoutofdakota.com/uploads/1/3/0/7/130738720/1345235.pdf
- http://files.fortykes.net/uploads/1/3/1/4/131437953/rawuzijupi_mewejowaratu_dupodoxija_vigipub.pdf
- http://files.theplatinumbutton.com/uploads/1/3/1/3/131398091/wonukalabafuz-wivuvarepez-powategaj.pdf
- https://cdn.shopify.com/s/files/1/0431/8176/8864/files/27042888174.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdf
- https://cdn.shopify.com/s/files/1/0430/0364/2007/files/braun_silk_epil_9_manual_english.pdf
- https://cdn.shopify.com/s/files/1/0437/7490/2423/files/49_country_code.pdf
- https://cdn.shopify.com/s/files/1/0433/3685/9813/files/xogoweju.pdf
- https://cdn.shopify.com/s/files/1/0429/1218/6531/files/rumeretu.pdf
- https://cdn.shopify.com/s/files/1/0429/2152/5407/files/barcelona_map_metro.pdf
- https://cdn.shopify.com/s/files/1/0438/8257/8088/files/comment_joindre_plusieurs_ensemble.pdf
- https://cdn.shopify.com/s/files/1/0429/2182/0313/files/komejipokavonunebew.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwotowomezi.pdf
- https://cdn.shopify.com/s/files/1/0436/2724/9826/files/bigor.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_off000083b5.bin7a7ae0d7d8f67dbed526bd298db852fcf8bb25e51aeee341850f5ee684236ac5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83B5 | 5216 bytes |
font_01_sfnt_off00009596.binff47a853ec0ad05dea20dff2e352e4d547a18d56f102b16fe9227696c6d17167 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9596 | 11400 bytes |
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