MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, embedding numerous URLs that likely serve to manipulate SEO and redirect users to malicious content. The presence of a critical heuristic firing for a malicious redirector link, coupled with a high ML classifier score, strongly indicates malicious intent. The document body contains a URL that points to a known malicious redirector, further supporting this assessment.
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=raw+may+7+2018+bleacher+report
- http://files.reliablealliancefinancialllc.com/uploads/1/3/0/9/130969079/956b1fc0ad89e22.pdf
- http://xezixari.soul-serenity.co.uk/uploads/1/3/1/3/131381521/3626455.pdf
- http://files.libera-translations.com/uploads/1/3/1/3/131384436/cd317323.pdf
- https://cdn.shopify.com/s/files/1/0434/6393/4109/files/makuxerabunetes.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdf
- https://cdn.shopify.com/s/files/1/0437/7346/0637/files/chemistry_of_alkyl_halides.pdf
- https://cdn.shopify.com/s/files/1/0430/4646/9793/files/online_attendance_register.pdf
- https://cdn.shopify.com/s/files/1/0431/5742/2229/files/zolotis.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/52704243085.pdf
- https://cdn.shopify.com/s/files/1/0431/0060/2525/files/dufosufuxexuresuzatoxur.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/apostles_creed_new_version.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7913/files/65555498880.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96626323422.pdf
- https://cdn.shopify.com/s/files/1/0430/7160/2849/files/jepabunaguvexabozereperu.pdf
- https://cdn.shopify.com/s/files/1/0441/4016/7320/files/leguri.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.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_off000073df.bin133c0a7babfc6b10eaba9ae030415078ac6f2cb57f84bd0925f43602ce50763d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73DF | 5936 bytes |
font_01_sfnt_off00008816.bin879d3005ec3ebfbc87289a98af885945f6865651c23f8c0157b474b5fa5859b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8816 | 10128 bytes |
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