MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a malicious redirector link pointing to ttraff.ru, which is part of a link farm designed to obscure the final destination. The presence of a visible LOLBin command execution instruction suggests the document is intended to trigger further malicious activity, likely by downloading and executing a second-stage payload. The document body itself is heavily obfuscated but contains the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=the+paladin%2527+s+handbook+voltron+pdf In PDF document text
- http://files.gozoboutiquehotelaccommodation.com/uploads/1/3/1/4/131437037/3e8569fa46c12a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2949/4936/files/pan_card_nsdl_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8062/9913/files/bootable_pendrive_cmd_commands.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7456/5784/files/xilagovem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/1832/2839/files/mobile_home_inspection_report_sample.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0431/3455/0177/files/52377351693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9508/7522/files/berliner_platz_a2_neu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1681/2706/files/freeman_biology_5th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/raja_ki_aayegi_baraat_movie_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3218/0893/files/90544320978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4430/5061/files/sapawonira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2960/files/92417805107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4299/5352/files/64000939756.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
- https://cdn.shopify.com/s/files/1/0440/7456In macro / runtime command snippet
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6139 | 5376 bytes |
SHA-256: 1aed0a15ffc77eed7626183c60253a54d227983b6a7c17bfbfcc56b7ecacba8c |
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font_01_sfnt_off0000737e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x737E | 15648 bytes |
SHA-256: 948f13f2e5cb3f455df670eb1bba052f42326a6a52386744d6fa0a0a186c9c6f |
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