MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body text and a specific URL suggest a lure related to an 'Android app for windows'. The ML classifier and critical heuristics strongly indicate malicious intent, likely to redirect users to malicious infrastructure.
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=android+app+for+windows
- http://files.teambirths.com/uploads/1/3/0/7/130775002/tazabir.pdf
- http://jikoxeg.hishandsreader.org/uploads/1/3/1/6/131606420/goxiketanoxo-feputopijil-domul.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0709/8529/files/android_bitmap_set_scale.pdf
- https://cdn.shopify.com/s/files/1/0434/0360/8231/files/accounting_and_finance_an_introduction_8th_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/5045/0600/files/87933395942.pdf
- https://cdn.shopify.com/s/files/1/0430/6662/2106/files/xebonaxujuni.pdf
- https://cdn.shopify.com/s/files/1/0433/6700/6364/files/37160647150.pdf
- https://cdn.shopify.com/s/files/1/0436/1335/6189/files/20799370199.pdf
- https://cdn.shopify.com/s/files/1/0435/6875/8943/files/logukozateno.pdf
- https://cdn.shopify.com/s/files/1/0435/4270/8378/files/loan_format_in_marathi.pdf
- https://cdn.shopify.com/s/files/1/0439/2163/7544/files/queen_gambit_declined_sadler.pdf
- https://cdn.shopify.com/s/files/1/0430/4060/4313/files/wuretisamizibobig.pdf
- https://cdn.shopify.com/s/files/1/0438/2480/8096/files/wuwijizunudekekarekabawut.pdf
- https://cdn.shopify.com/s/files/1/0437/0743/3125/files/gufemevuxilugin.pdf
- https://cdn.shopify.com/s/files/1/0431/7921/2959/files/44190670049.pdf
- https://cdn.shopify.com/s/files/1/0432/4281/5643/files/jotilesadigeviwowe.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_off00006021.bin45c7d8ee2cb5bf27f629f0d7d69db39d612c5cfdfd0dc1b5223ae7e5bcdafa16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6021 | 5084 bytes |
font_01_sfnt_off0000718b.bina40b30457b41df1ce34e255e7808693ef0323e533c849bdc6c749f986d8121b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x718B | 10236 bytes |
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