MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and keywords suggesting a lure for a dictionary download. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly supports the malicious nature of this PDF.
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.com/pify?keyword=english+german+dictionary+apk
- http://potepo.myfreedombookstore.com/uploads/1/3/0/7/130740257/bibofesek.pdf
- http://mejiworeb.nlxcakes.com/uploads/1/3/1/0/131069991/3835468.pdf
- http://tazavofu.youfish.tv/uploads/1/3/2/3/132302780/33218eedbbdea.pdf
- http://files.shaderadio.com/uploads/1/3/1/6/131606405/modiveso.pdf
- https://cdn.shopify.com/s/files/1/0435/4850/8311/files/interview_answers_tell_me_about_yourself.pdf
- https://cdn.shopify.com/s/files/1/0429/0671/4268/files/samsung_warranty_card.pdf
- https://cdn.shopify.com/s/files/1/0431/5529/2317/files/aggie_war_hymn_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4013/files/tikodiloxunununiropolixe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.pdf
- https://cdn.shopify.com/s/files/1/0433/7768/8743/files/vimisowofat.pdf
- https://cdn.shopify.com/s/files/1/0434/7835/2034/files/53355951403.pdf
- https://cdn.shopify.com/s/files/1/0433/6504/0286/files/wiwenifebago.pdf
- https://cdn.shopify.com/s/files/1/0430/5797/1362/files/kobazufurunepufeloli.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_off0000469a.bin384b25618e1d1697ac55241f4958890326026fc884a2b56eb10086b6ff19751f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x469A | 5612 bytes |
font_01_sfnt_off0000597f.bin4f83e2093b13c778635881866f9fe459e9db7302d3b1e77dc6dc1dbbbbc4cc22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x597F | 9484 bytes |
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