PDF malware analysis — malicious · e83d271172d5e4ae

MALICIOUS

PDF

49.1 KB Created: 2020-08-18 21:14:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a1870c78fbac5c5a94d404266a487a6e SHA-1: 30dab8a311ad9e6796be2364d9e6a6947a40793c SHA-256: e83d271172d5e4aeac8ba7b16bc0778ae82ae2e0fb5b30089cf065bad4783610

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL and appears to be a lure for a game guide. The PDF also hosts a large number of external links, many pointing to Shopify, which is characteristic of SEO link farm abuse. The primary malicious IOC is the redirector URL.

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.
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.
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.com/pify?keyword=bloodstained+susie+quest+guide
- http://files.thebagelers.com/uploads/1/3/0/7/130775027/zetuwajo.pdf
- https://cdn.shopify.com/s/files/1/0433/8358/6977/files/kisorulodani.pdf
- https://cdn.shopify.com/s/files/1/0432/0123/3053/files/wefolepaturad.pdf
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/68289406649.pdf
- https://cdn.shopify.com/s/files/1/0435/7344/4771/files/10483611885.pdf
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/pukizebujesuluvuwelosodi.pdf
- https://cdn.shopify.com/s/files/1/0447/6348/0215/files/alpha_beta_gamma_diversity.pdf
- https://cdn.shopify.com/s/files/1/0437/4023/3880/files/99945269127.pdf
- https://cdn.shopify.com/s/files/1/0428/4982/9023/files/artificial_intelligence_with_python_prateek_joshi.pdf
- https://cdn.shopify.com/s/files/1/0434/8100/6244/files/23519356193.pdf
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/70806253483.pdf
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/wiwajifaginivelexasu.pdf
- https://cdn.shopify.com/s/files/1/0435/9222/0840/files/sodogatebojoroxufowipe.pdf
- https://cdn.shopify.com/s/files/1/0438/6023/0294/files/character_certificate_format_for_job_doc.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/

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006ccf.bin` `868dad0c69b0a47e51be6bb067ee722d28b97fddd5358f9840a32d9af8ad1653`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CCF	1556 bytes
`font_01_sfnt_off000074ba.bin` `40749d192bb60f1e9c8812d98b8f1fa2acd0441565ac55309be6f618c6bbd9d6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74BA	4952 bytes
`font_02_sfnt_off0000859a.bin` `5fe76c05be2c51dcc0bf4e6806c7681031af532eabd766ff2eeab0126c618a63`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x859A	10456 bytes
`font_03_sfnt_off0000a933.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA933	4324 bytes

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