MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure related to a 'mass air flow sensor seminar report'. The primary malicious URL identified is https://ttraff.ru/pify?keyword=mass+air+flow+sensor+seminar+report+pdf, which likely serves as a gateway to further malicious content. The presence of numerous links to Shopify-hosted PDFs suggests an attempt to create a link farm for SEO manipulation, potentially to mask the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
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.
-
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.
-
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=mass+air+flow+sensor+seminar+report+pdf In PDF document text
- http://punezu.themovementdancestudio.net/uploads/1/3/1/0/131070722/keburimekigiseni.pdfIn PDF document text
- http://files.whitecloudvet.com/uploads/1/3/1/1/131164093/30cacf31a11c3c.pdfIn PDF document text
- http://files.rocktopiaacres.com/uploads/1/3/1/6/131606046/2722953.pdfIn PDF document text
- http://verunen.techandwisdom.com/uploads/1/3/1/1/131164312/sifune.pdfIn PDF document text
- http://files.doublehappinessllc.com/uploads/1/3/0/9/130969845/9549014.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/1/0430/7045/5965/files/19978715580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7677/9174/files/16113717737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8380/9439/files/jibakakozuwolaxifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6730/2295/files/dodefarukawonutasiwiwepam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/ford_f250_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/8137/2582/files/canon_mg3500_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5149/1233/files/pemubodujutasiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5702/0056/files/flask_file_upload.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7361/7568/files/bloodborne_forbidden_woods_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/tojilemud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1266/9089/files/50335841194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8922/3066/files/wowupiligumusapoditera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2919/9005/files/zakakokuregevageman.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AA | 5284 bytes |
SHA-256: e14e2f1ac56235d8f938a8ec5ca32693e16eb8f5198858aeba3051ef26dc421e |
|||
font_01_sfnt_off000083a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83A4 | 9992 bytes |
SHA-256: 25c6ef8dec307ff442b4b3c942de985ddad20565afc2d75bd037d301207c013d |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.