MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms, disguised as a guide to emigrating to Germany. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate a strong attempt to redirect users to harmful content. The ML classifier also strongly suggests maliciousness.
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=guide+to+emigrating+to+germany
- http://pututu.vegantuneupcafe.com/uploads/1/3/2/6/132680835/0d249b701d11.pdf
- http://files.tomadamsboatbuilder.com/uploads/1/3/1/3/131382330/mekoxosajamaruzon.pdf
- http://kibezixon.mzsacredhealing.com/uploads/1/3/1/4/131453872/5855726.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5302/2369/files/engineering_mechanics_statics_dynamics_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0430/6727/7469/files/nofalogilomawu.pdf
- https://cdn.shopify.com/s/files/1/0432/8626/6016/files/pisolenowanazulok.pdf
- https://cdn.shopify.com/s/files/1/0432/5598/8374/files/xamagivaka.pdf
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/89812106658.pdf
- https://cdn.shopify.com/s/files/1/0429/0363/4079/files/tamasha_movie_mp4_2015.pdf
- https://cdn.shopify.com/s/files/1/0429/2771/8567/files/99329553985.pdf
- https://cdn.shopify.com/s/files/1/0428/1437/4047/files/revasibemuxotosel.pdf
- https://cdn.shopify.com/s/files/1/0437/3161/5909/files/bengali_baul_song_audio.pdf
- https://cdn.shopify.com/s/files/1/0439/7246/0702/files/alleviating_global_poverty.pdf
- https://cdn.shopify.com/s/files/1/0430/2556/3799/files/agreement_paper_format.pdf
- https://cdn.shopify.com/s/files/1/0428/9223/0823/files/underdark_3._5.pdf
- https://cdn.shopify.com/s/files/1/0429/4977/1430/files/71358046580.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_off00007129.bincd135bd3d0eb82bfc85d30ff0f3e30f26b26fa20ad8d2e8d056b0252748ce6a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7129 | 5068 bytes |
font_01_sfnt_off00008259.bin70f6a0e90860f6caa40b1dcce47def479039094c7aaf65eedd657960cbcaba5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8259 | 10288 bytes |
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