MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors, such as ttraff.ru. The document body, though partially corrupted, includes a URL that mimics a search result for academic answers, suggesting a lure to trick users into clicking malicious links. The ML classifier strongly flagged this PDF as malicious.
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=aqa+gcse+biology+kerboodle+answers In PDF document text
- http://files.makeyourselfageless.com/uploads/1/3/0/8/130874067/ranaregisuka-dusedetad-mulev-nigigame.pdfIn PDF document text
- http://gijoteda.dianastapleton.com/uploads/1/3/0/9/130969360/tovopakuvukugu-fenepuvako-sedezirijisare-vegiv.pdfIn PDF document text
- http://kitigasiw.aleafintheforest.com/uploads/1/3/0/9/130969723/947591.pdfIn PDF document text
- http://lakerev.pamelaarmstronggallery.com/uploads/1/3/0/7/130776693/mumugafetixugu.pdfIn PDF document text
- http://files.lilleto.com/uploads/1/3/0/7/130738859/d9b35806ec.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/1/0462/5625/9221/files/balapuvefaxir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6221/4304/files/vanojagozuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5004/9446/files/current_affairs_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3462/4679/files/zudizodax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/0363/3817/files/all_bengali_old_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5317/7237/files/anlise_envoltria_de_dados.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4184/7458/files/42643708078.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6277/9295/files/39400767939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4449/3720/files/beautiful_girl_wallpaper_for_mobile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1697/7559/files/bilinear_transformation_low_pass_filter_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4299/5352/files/bododewevujilasirerovala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6354/1917/files/debbie_harry_face_it.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_off00006b19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B19 | 2828 bytes |
SHA-256: dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21 |
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font_01_sfnt_off00007513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7513 | 5620 bytes |
SHA-256: 2af982ca4692c9d0e72dae4c1c35580175af2c2969332c74155cf1b11360a272 |
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font_02_sfnt_off0000884a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x884A | 10360 bytes |
SHA-256: 4ef75dfc1b508c641252652ec56e26992d351095bae324b1e146051c41625685 |
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