MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, suggesting a link farm or redirection scheme. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.ru/pify?keyword=acceptance+and+commitment+therapy+overview+pdf, which is likely used to redirect users to a malicious site. No scripts were extracted, but the PDF structure itself is indicative of a malicious delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=acceptance+and+commitment+therapy+overview+pdf In PDF document text
- http://files.sacredspacesyoga.com/uploads/1/3/0/8/130814127/e5c9022b.pdfIn PDF document text
- http://bimel.cableporter.com/uploads/1/3/2/6/132680813/fonorupaju-bawolesarofuwov-berurajefal-megibubifelak.pdfIn PDF document text
- http://files.tstrattonart.com/uploads/1/3/1/1/131164473/8205910.pdfIn PDF document text
- http://didupax.geophysical.eu/uploads/1/3/1/3/131381204/78a708b81c.pdfIn PDF document text
- http://files.synergybc.com/uploads/1/3/2/6/132696263/6729554.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/1/0436/3599/8880/files/pdf_to_dwg_converter_online_unlimited.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5509/5712/files/39281498177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/wejulixefuwekakeli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0100/4707/files/zuvatawifemusegizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8212/8283/files/93793130355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2562/8327/files/xukogoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7511/6959/files/41681790471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1334/0312/files/bomaxosikapavexelim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4085/0598/files/gufajowemoxagurorepedewev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9276/2017/files/durew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xokuwunojuvilil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dadimutixiwukigojubiw.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a6ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6CE | 5216 bytes |
SHA-256: 71c9b483a7f4117b190e0bb047aa7f9ddbc2f2b2ee992c5ca2fc1241a5991cd5 |
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font_01_sfnt_off0000b867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB867 | 10176 bytes |
SHA-256: c567dafc0fe61125aefbd85634c3e980fbd13cef2dd5173ebf227bfb8f5156a4 |
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font_02_sfnt_off0000db3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3E | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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