PDF malware analysis — malicious · 68aa4f535d28b0ae

MALICIOUS

PDF

40.0 KB Created: 2020-08-16 20:01:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 20cb7848beb7a06332ed85e4b6dd6386 SHA-1: 6712068a6068d6d1c1d7a59a1ba299e33eba4ece SHA-256: 68aa4f535d28b0ae26d536dbc8c878ce2970337e4e69e07acf0210423703d0cd

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, including one pointing to a known malicious redirector, and is flagged as a PDF link farm. The document body, though heavily obfuscated, contains text related to tracking phones and a URL that appears to be part of the malicious infrastructure. The presence of multiple external links suggests an attempt to direct users to potentially harmful websites for SEO spam or further malicious activity.

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.cc/pify?keyword=track+android+phone+using+imei+number
- http://files.demornewarrenddub.com/uploads/1/3/1/4/131409170/dakodup-simegi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4646/0830/files/koludilapad.pdf
- https://cdn.shopify.com/s/files/1/0431/2124/6359/files/aambala_songs_mass.pdf
- https://cdn.shopify.com/s/files/1/0432/2508/8168/files/76134163509.pdf
- https://cdn.shopify.com/s/files/1/0440/1584/5541/files/mod_my_classic.pdf
- https://cdn.shopify.com/s/files/1/0430/5374/4279/files/67666620490.pdf
- https://cdn.shopify.com/s/files/1/0428/5490/8071/files/21092923542.pdf
- https://cdn.shopify.com/s/files/1/0434/8660/9573/files/kit_argentina_dream_league_soccer.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/wigikarutopizujatu.pdf
- https://cdn.shopify.com/s/files/1/0432/1322/6139/files/40181741784.pdf
- https://cdn.shopify.com/s/files/1/0432/2328/5920/files/14420613862.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_off00005e4b.bin` `4a960943647e26492cd56fa9d84653e166d56b29bfc59423c28611d48e37128a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E4B	5608 bytes
`font_01_sfnt_off0000712a.bin` `526a0af33046df9b7563c791c4b724a7989687958048ba77a979cd3d0c965ae6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x712A	10056 bytes

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