MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF documents. One of these URLs, 'https://ttraff.ru/pify?keyword=albela+sajan+aayo+re', is identified as a malicious redirector. The presence of a large number of links, combined with the malicious redirector, suggests an attempt to lure users to malicious content, potentially for phishing or malware distribution.
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=albela+sajan+aayo+re
- http://files.bwsigep.org/uploads/1/3/2/7/132712661/081e86215a3.pdf
- https://cdn.shopify.com/s/files/1/0466/7411/6773/files/tema_ppt_lucu_gratis.pdf
- https://cdn.shopify.com/s/files/1/0433/1264/4251/files/watch_virgin_tv_anywhere_on_android.pdf
- https://cdn.shopify.com/s/files/1/0437/9967/5041/files/26220429304.pdf
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/43701210101.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4554/files/55561820821.pdf
- https://cdn.shopify.com/s/files/1/0434/5335/0040/files/raburutuf.pdf
- https://cdn.shopify.com/s/files/1/0430/8120/3861/files/93044194476.pdf
- https://cdn.shopify.com/s/files/1/0455/7009/7317/files/warhammer_40k_necron_codex_8th_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/0787/7017/files/catholic_encyclopedia_volume_2.pdf
- https://cdn.shopify.com/s/files/1/0428/0087/3631/files/40275158687.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005900.binbcc126d11030158345d76bdd6014ae84674ba0c8b0a765248249b32e99aecaa5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5900 | 4984 bytes |
font_01_sfnt_off000069c5.binbb7940745c80e216b60c035601f9a243603810e687813a7b8b3f5926a282b40a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C5 | 7888 bytes |
font_02_sfnt_off000081b2.binc17dd44d3f10741673153755e034ed3b18d957eb7d019a9e7f2a68f3e27edcc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81B2 | 10120 bytes |
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