PDF malware analysis — malicious · 8555a071c007cb64

MALICIOUS

PDF

46.7 KB Created: 2020-11-05 03:14:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 00a512c7273af2327a8a096f72c07358 SHA-1: bb24663216a467617b1ab974cd38b91f105d5709 SHA-256: 8555a071c007cb64f7365de22055ea6580b782e3a076c866d50fc56961f27f96

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a link to a known malicious redirector infrastructure, which is a common tactic for phishing and malware distribution. The document body, though heavily obfuscated, contains text that suggests it is a manual for a product, likely a lure to entice users to click the malicious link. The ML classifier also strongly indicated maliciousness.

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=manual+for+wonderboom
- https://norumevi.weebly.com/uploads/1/3/0/9/130969469/5d28917e9a5d5.pdf
- https://cdn-cms.f-static.net/uploads/4393183/normal_5fa08c227d7a1.pdf
- https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/9333333.pdf
- https://cdn-cms.f-static.net/uploads/4412592/normal_5f93a016512a4.pdf
- https://cdn-cms.f-static.net/uploads/4383582/normal_5f95ac54e72dd.pdf
- https://cdn-cms.f-static.net/uploads/4466140/normal_5fa3045a91e10.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/wilugugo/witetenuvejaripenepebor.pdf
- https://uploads.strikinglycdn.com/files/a3cf9655-e90f-49eb-9956-4903bc005f77/51176518330.pdf
- https://s3.amazonaws.com/mozirolinitaje/50140867793.pdf
- https://s3.amazonaws.com/zonebon/solid_liquid_gas_worksheet.pdf
- https://uploads.strikinglycdn.com/files/961c21ae-c12d-472a-9979-aaf14ae9143c/84199065977.pdf
- https://uploads.strikinglycdn.com/files/65e9b4f8-b7ee-45a3-8880-6e518b3e245b/lubapigivoduzemavav.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006cfe.bin` `df7f107b88288044f5cb9f8bf749fb6a2edd7100acfbdeade0c0aa3befd16e4f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CFE	4864 bytes
`font_01_sfnt_off00007d78.bin` `3bd2e1e414b19ab1b2a6dede3d626027da0fdc4f4c6cd0c029fa98546addbfde`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D78	10072 bytes
`font_02_sfnt_off00009fd9.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FD9	4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.