MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The document body contains numerous embedded URLs, including a primary redirector to 'ttraff.com' which is known for malicious activity. The presence of a large number of external links suggests a strategy to distribute traffic or host malicious content across various domains, likely for phishing or malware distribution.
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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=shear+force+and+bending+moment+calculations+pdf In PDF document text
- http://nekosera.whalingfire.com/uploads/1/3/2/3/132302782/ketanawekiwow_zuzokupogux_sidadopupeja.pdfIn PDF document text
- http://tevovub.johnscothist.com/uploads/1/3/2/7/132740892/jisukidurujive_midugojizo_muvanojugili.pdfIn PDF document text
- http://files.davegrenfell.co.uk/uploads/1/3/0/8/130874110/bapidexedofan_repadamoligax_jofegu.pdfIn PDF document text
- http://files.projecteva.org/uploads/1/3/0/7/130776401/9066253.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/1/0434/3260/7894/files/kurujek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/69576345074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7319/1588/files/jifupatatofovebomunoxasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5471/9395/files/61255627727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4597/6224/files/savable_fillable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5450/5885/files/bajasugerur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8962/3208/files/47264371985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/31740469728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6926/7354/files/95451263412.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6118/2617/files/19404551656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5476/8021/files/gafatukefasigemaf.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009671.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9671 | 5812 bytes |
SHA-256: 11ee8e352b958cdf8f0d89aaa328d9bfe8123de4eabe84e0b8925b46071f8b2b |
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font_01_sfnt_off0000aa0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA0D | 15216 bytes |
SHA-256: eca0f291177a389c47dcaeb56bd444e046ab6dfda79ff193b2aaa70f48856674 |
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font_02_sfnt_off0000da2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2E | 16096 bytes |
SHA-256: 786e4db6c2b8a63317ebd2e62e9313324635a3bcc9286cbba0aa59ea406ff707 |
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