PDF malware analysis — malicious · 619b57b340ad23ba

MALICIOUS

PDF

42.1 KB Created: 2020-09-12 11:05:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6e75fe81ead425a97d8fb13027c2a3c7 SHA-1: 9b1f1c00a72a747b2f0c67096f0592f943991f72 SHA-256: 619b57b340ad23ba26190b2db6ada3de4ff20500d87fbfb9f55c8f6935fa5855

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, with several heuristics flagging it as a malicious redirector and a link farm. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains URLs that are also present in the heuristic findings, suggesting a coordinated effort to direct users to potentially harmful sites. No scripts were extracted, but the primary attack pattern involves link manipulation.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
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.club/wix?keyword=super+psp+emulator++for+android
- http://zadorebe.limeandstoves.com/uploads/1/3/1/4/131412290/parorugowa_sivomap_pomokokinir.pdf
- http://riziga.lovelocalnashville.com/uploads/1/3/0/9/130969018/3365685.pdf
- http://files.idstatement.org/uploads/1/3/0/7/130739004/535488cfbd3ed.pdf
- http://files.makingagoodlifebetter.org/uploads/1/3/2/7/132741535/ligokarola.pdf
- http://files.ablexperience.org/uploads/1/3/1/4/131437308/12004b.pdf
- http://duzopejes.fiftyshadeslove.com/uploads/1/3/0/9/130969332/regibubizoxam.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7518/2496/files/amaravathi_tamil_film_songs.pdf
- https://cdn.shopify.com/s/files/1/0437/5517/6097/files/butterfly_drawing_outline.pdf
- https://cdn.shopify.com/s/files/1/0434/0521/3852/files/36449434964.pdf
- https://cdn.shopify.com/s/files/1/0440/5208/6934/files/coulsdon_6th_form_college.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_off00006544.bin` `1d1eafaa9b81f980930fb704be12f5054b011b6ebc1019c598eb0f5d6c585c9c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6544	5292 bytes
`font_01_sfnt_off00007729.bin` `483bd7ac57198f3a859d56e849d9696ce98234e0de28275336eff5a7badab229`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7729	10652 bytes

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