MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.club/wix?keyword=kik+apk+no+ads'. Additionally, it features a large number of embedded links, suggesting a link farm, and a visual download button lure. The presence of a 'password-protected archive handoff' heuristic indicates a common tactic to bypass gateway security by instructing the user to decrypt a payload. No scripts were extracted, but the overall pattern suggests a social engineering attempt to trick the user into downloading malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.club/wix?keyword=kik+apk+no+ads In PDF document text
- http://files.zuppfitness.com/uploads/1/3/1/6/131636987/845389.pdfIn PDF document text
- http://puwemi.cincinnatideckandfence.com/uploads/1/3/2/3/132302915/4d815b806d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8e3450c4-78f6-4c51-a055-e52d21b952f5.filesusr.com/ugd/724bd4_84ec6b3882f145d9be29f9d53cf07197.pdf?index=trueIn PDF document text
- https://38a1787c-9326-4990-a90d-20801b7c4e38.filesusr.com/ugd/dbbfd0_58a11b1c494a44aaa7159c1d0e8c46ba.pdf?index=trueIn PDF document text
- https://ff95cfb1-003b-40ec-bced-9bcdba55c9f6.filesusr.com/ugd/f3cb45_168d28215c874e10be6a367d12b0438d.pdf?index=trueIn PDF document text
- https://dfbd5a5b-bb3c-4d9a-8a35-cf7da2a014f9.filesusr.com/ugd/4fea5c_45fd65e076cc4efcba6bc5ad52d043ba.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2520/files/batudiwunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9549/0721/files/tigagiwademu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3400/2086/files/21200906734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1814/9285/files/xipujipawoxadug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4082/3706/files/june_2016_earth_science_regents_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9162/3077/files/tardiness_of_students_in_philippines.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_off00005d3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D3F | 4856 bytes |
SHA-256: 7a290336e748b5c3e194f6b20f1b529282293b494928b0322a8bbe5ab1d37b3a |
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font_01_sfnt_off00006ddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDD | 10356 bytes |
SHA-256: b85e26b498fe96bc80347994049892dec7263657430611a88490ef45420da15c |
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