MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to lead users to a link farm. The primary malicious URL identified is 'https://ttraff.ru/wix?keyword=diary+of+a+wimpy+kid+bookmark+template', which is presented as a bookmark template lure. This URL is part of a larger SEO link farm strategy, aiming to distribute traffic to various benign-looking PDF files, likely as a means to obscure the malicious intent.
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/wix?keyword=diary+of+a+wimpy+kid+bookmark+template In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/e3834b_a136fc9f1358427da3a56d198c59398f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/599f1c_ef8a6d92f86c4344acccff1d36eea2a7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/50de67_2a2af061dfb64ec59093928df99d09fa.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2f7815_1988d7bb0593439987f4d7268359d7bf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6605/7116/files/woluwubobowajisujejos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5573/5203/files/fuzanaduxazalomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1778/0896/files/fazuravekabizejorizeme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8083/8309/files/graco_390_airless_paint_sprayer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9812/9059/files/rewibejij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1350/4156/files/wesinamakebotokugib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9683/4212/files/bull_sf_pc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5791/3749/files/awdhesh_premi_ke_gana_video_mein.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/7135/7336/files/61588981678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5442/3464/files/java_8_certification_questions_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5872/5015/files/6242229399.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000981b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x981B | 5404 bytes |
SHA-256: 347ad4ddff932a4e9b8842b599c35e37aa5436846935eea76323bf0d464d8569 |
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font_01_sfnt_off0000aa82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA82 | 2576 bytes |
SHA-256: 297f52f4236f09ba58e85c0251406db64a4d3221d73012e717b108c12409d6fb |
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font_02_sfnt_off0000b441.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB441 | 14548 bytes |
SHA-256: 65ea3289646a54f426c154711aed8cac5c7b69bd3da8fe99cb6ab042772e3349 |
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font_03_sfnt_off0000e212.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE212 | 16780 bytes |
SHA-256: 68360d215686b7ffd363eeb0253592cf4566abf286d77cfdfbfe23f63f7602e1 |
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