MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one pointing to a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large external PDF link farm, and 'SE_LOLBIN_RUN_COMMAND' suggests the presence of instructions for executing commands. The primary malicious URL identified is https://ttraff.ru/pify?keyword=docker+run+android+app, which is likely used to redirect the user to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=docker+run+android+app In PDF document text
- http://jowoxi.michaelgreermd.com/uploads/1/3/1/4/131483254/xenowadov.pdfIn PDF document text
- http://files.ftpc.org/uploads/1/3/1/8/131856725/bixosorimerikum_bopujirafewizuw_gavabos_petenedu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/towetigifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3015/files/tituvejipexabisaxilar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mefawubizujoki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6716/2276/files/64869559675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1301/2637/files/apio_propiedades_nutricionales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/67951459409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0844/0995/files/59978335384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8570/2054/files/64213502868.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2812/5595/files/88361792232.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6019 | 4724 bytes |
SHA-256: 9929d1d7d52d7aa38fe0de430ee5fc2a645d290cd4c92b7c65eaa8082a363fac |
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font_01_sfnt_off00007020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7020 | 2396 bytes |
SHA-256: bfd9ccfd13130ec28df1846f8e280bac78bc7c001b5481dd545cf8f91b4844b9 |
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font_02_sfnt_off00007ad3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD3 | 13972 bytes |
SHA-256: 5137586e3393960c0477979d883ad8da3310ff07c4f5894858745474d1617e24 |
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font_03_sfnt_off0000a74e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA74E | 16612 bytes |
SHA-256: 21e66e05c4b3657087bf2854812646a9e639a592c9ad8cfa5233340b1d4c4f70 |
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font_04_sfnt_off0000bd73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD73 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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