MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with a critical heuristic firing for PDF_SEO_LINK_FARM indicating a link farm. One of the primary links, https://ttraff.ru/pify?keyword=cinematic+video+editor+android, is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and URLs, suggesting an attempt to lure users into clicking malicious links.
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=cinematic+video+editor+android
- http://files.ayercommunityschool.com/uploads/1/3/1/4/131453348/bosulirojizuzajiso.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/naxab.pdf
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/taniduvak.pdf
- https://cdn.shopify.com/s/files/1/0432/2390/8520/files/revumaxobujarex.pdf
- https://cdn.shopify.com/s/files/1/0436/4586/2041/files/formation_apiculture.pdf
- https://cdn.shopify.com/s/files/1/0432/2400/6820/files/pretest_biochemistry_5th_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0447/8782/6854/files/91800972096.pdf
- https://cdn.shopify.com/s/files/1/0438/8116/9051/files/87255118214.pdf
- https://cdn.shopify.com/s/files/1/0432/5654/5433/files/fesaruwowoxazot.pdf
- https://cdn.shopify.com/s/files/1/0429/6278/0311/files/linidenopebogavapatirefo.pdf
- https://cdn.shopify.com/s/files/1/0430/6354/1913/files/sale_leaseback_off_balance_sheet_financing.pdf
- https://cdn.shopify.com/s/files/1/0433/6621/9941/files/60790217306.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_off000077b1.bindab8cecb6f77be945b67ff22884bf29d545f6cb45c0e74f32a5923d83a46be43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B1 | 4840 bytes |
font_01_sfnt_off00008808.binbca998a4b8d7b52982eeb7ca9851f1d0f4a1aba9ccf2b369a42e7e65f87fcf83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8808 | 10216 bytes |
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