PDF malware analysis — malicious · 448979d869c22ed0

MALICIOUS

PDF

43.6 KB Created: 2020-08-01 07:27:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a1d68f44a8c741f08aa12cfcbff15321 SHA-1: b859f09a857fa26a7518ba2f6a3e37c74c997297 SHA-256: 448979d869c22ed0a1b93589c568d458af226dd22c4fae760dd18f2f1f2c7d72

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised with a search query for 'doom 3 cheats ps3'. The document also functions as a link farm, pointing to numerous other PDFs hosted on Shopify. The ML classifier strongly indicated maliciousness. The primary attack vector appears to be social engineering through a deceptive link.

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.ru/pify?keyword=doom+3+cheats+ps3
- http://files.bethanyslater.com/uploads/1/3/0/7/130740068/xuzerovadux.pdf
- http://files.misssummitinternational.com/uploads/1/3/1/4/131437671/9708b7e3ed3.pdf
- http://files.joyofmakeup.ca/uploads/1/3/0/9/130969402/givekilokazona.pdf
- http://files.fallingstardusk.com/uploads/1/3/0/9/130969494/ca337b821b768.pdf
- http://files.ccsacc.com/uploads/1/3/0/7/130740571/a42ab0ae.pdf
- https://cdn.shopify.com/s/files/1/0432/3662/2498/files/33651755524.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/best_faction_servers.pdf
- https://cdn.shopify.com/s/files/1/0432/8387/3942/files/mosedepulubenotel.pdf
- https://cdn.shopify.com/s/files/1/0432/9340/9438/files/6691262619.pdf
- https://cdn.shopify.com/s/files/1/0433/4610/0392/files/lp_dan_askep_bblr.pdf
- https://cdn.shopify.com/s/files/1/0434/2962/6013/files/xosolaxabaf.pdf
- https://cdn.shopify.com/s/files/1/0436/3137/8590/files/sokoxowiwadoduxonag.pdf
- https://cdn.shopify.com/s/files/1/0433/4950/8246/files/bapalujuzapobujojuk.pdf
- https://cdn.shopify.com/s/files/1/0437/8283/2289/files/48425965477.pdf
- https://cdn.shopify.com/s/files/1/0431/7360/9636/files/75623819185.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/30831909964.pdf
- https://cdn.shopify.com/s/files/1/0434/8936/2082/files/zafosuvaja.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005fc7.bin` `e5383a2cec0da627dab248bfc45cf67a4dcd998b8ae0dc08edbabe37aa44a85d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FC7	4840 bytes
`font_01_sfnt_off0000703e.bin` `cc356cc87680c0e333058cd585efa4ca0964920b0ce3c33973fbc53a80844e60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x703E	10420 bytes
`font_02_sfnt_off000093ad.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93AD	4324 bytes

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