PDF malware analysis — malicious · 042f4ef9a5eb6f35

MALICIOUS

PDF

42.5 KB Created: 2020-11-04 11:49:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a79a398fef89942d1e746083adbe1c4a SHA-1: f2613b852a68c0955a820030822bb80b99007db4 SHA-256: 042f4ef9a5eb6f35d386b60f780f15f88e0c8552f0e24317f2f227299cdac930

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a link disguised as a search result for a historical question. This link, 'https://ttraff.cc/123?keyword=when+did+moses+and+the+israelites+leave+egypt', is flagged as a malicious redirector. The document's structure and the presence of this malicious link suggest an attempt to trick the user into navigating to a harmful site, likely for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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_URL

One 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/123?keyword=when+did+moses+and+the+israelites+leave+egypt
- https://cdn-cms.f-static.net/uploads/4366043/normal_5f86f4fd927d8.pdf
- https://cdn-cms.f-static.net/uploads/4386609/normal_5f95525d4df0d.pdf
- https://cdn-cms.f-static.net/uploads/4373776/normal_5f95c10fe5222.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jeduzizonox/26921988951.pdf
- https://uploads.strikinglycdn.com/files/ce84403a-159b-4ef3-be6f-60e356aaf92e/5956385745.pdf
- https://s3.amazonaws.com/xotorulu/senior_software_engineer_resume_sample.pdf
- https://s3.amazonaws.com/pazifetanegapu/important_physics_constants.pdf
- https://s3.amazonaws.com/vifusupegiza/abdominal_core_strengthening_exercises.pdf
- https://s3.amazonaws.com/zuxadol/liposovi.pdf
- https://s3.amazonaws.com/tetofamuxulil/andragogy_definition.pdf
- https://s3.amazonaws.com/zirojopemup/weekly_schedule.pdf
- https://uploads.strikinglycdn.com/files/29528782-ae90-4b21-aa5c-ea98aaa372ab/karuna_kontha_malayalam.pdf
- https://s3.amazonaws.com/gavexilatuvitaz/dugezisigepivemubar.pdf
- https://uploads.strikinglycdn.com/files/797e7832-a57f-4d92-a2e4-01573eef6bce/ipad_user_guide_for_ios_10.3_download.pdf
- https://s3.amazonaws.com/naxizugenabi/zizasukunijov.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006679.bin` `70305339bb75472b80724e10578d9b9e453e62b6fdd9a7f2cc706b62443672f4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6679	5548 bytes
`font_01_sfnt_off00007943.bin` `25f8cd387bfdf3df1f5d83cd8d165d58b8c9597031364e9f983687abb26d388a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7943	10612 bytes

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