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 external resources. One critical heuristic identified a link to a known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=valkyrie+profile+lenneth+walkthrough+pdf'. The document body, though partially corrupted, also contains this URL and other links that appear to be part of a link farm designed to attract users with search engine optimization tactics. The primary intent appears to be directing users to malicious or potentially unwanted content through these links.
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.cc/pify?keyword=valkyrie+profile+lenneth+walkthrough+pdf In PDF document text
- http://files.empyreanresearch.org/uploads/1/3/1/4/131408256/6793108.pdfIn PDF document text
- http://kexul.westcountypediatrics.net/uploads/1/3/1/4/131454012/pozifadosop.pdfIn PDF document text
- http://fesegad.ianjamescarr.com/uploads/1/3/2/6/132680835/8609f782.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/1/0435/4244/6231/files/45054321755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8511/1203/files/damifusivakuwojebij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7201/8845/files/game_beach_buggy_racing_hack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2913/0404/files/distant_hybridization.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/3337/0264/files/bhakti_song_video_whatsapp_status.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7513/2824/files/25466109348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8868/3932/files/arearae_user_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/79408049480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1103/9655/files/86861019314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1282/4993/files/sandals_antigua_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1667/4713/files/37111795595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6821/9799/files/nixozusuf.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_off000053f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53F5 | 5232 bytes |
SHA-256: 4533eb453c8b4868af9f6c543d6b196077125fde0190dade7034c8eb6573a197 |
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font_01_sfnt_off000065cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65CF | 10084 bytes |
SHA-256: cc44e8e399feec3e68da990715945f966252f7542149c62cf2bb1fc72eb21d8f |
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font_02_sfnt_off00008854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8854 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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