PDF malware analysis — malicious · bf6da9660fb4d3ae

MALICIOUS

PDF

34.7 KB Created: 2020-08-05 09:49:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4b299dfb2fa3272b2626711884e74c19 SHA-1: effe3fad368035e0056166dd87320a4670f7acc6 SHA-256: bf6da9660fb4d3ae9de2bcf11a84da10f7834fd794e4a987653b7d0490c24efb

120 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.cc'. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on Shopify and other domains, consistent with a link farm or SEO spamming technique. The primary malicious URL is used to redirect users, likely to a phishing or malware distribution site.

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.cc/pify?keyword=join+pdf+files+online+free
- http://files.subwaystash.com/uploads/1/3/0/9/130969809/zurolawukeka-zutajopuba-dikonafipimas-wudobatefef.pdf
- http://kaxipa.nathannewcomerart.com/uploads/1/3/1/0/131070161/5d4eb5c.pdf
- http://files.hartlandseniorcenter.org/uploads/1/3/1/8/131858540/63748.pdf
- http://files.baptistelakecampingandstorage.com/uploads/1/3/1/8/131856743/9722473.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/dodugebanobulajijakar.pdf
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/18792941540.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/58683349920.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/fejako.pdf
- https://cdn.shopify.com/s/files/1/0437/7506/6273/files/graphic_design_book_download.pdf
- https://cdn.shopify.com/s/files/1/0433/6658/0382/files/how_to_hack_diep_io.pdf
- https://cdn.shopify.com/s/files/1/0431/8163/7794/files/56803367370.pdf
- https://cdn.shopify.com/s/files/1/0433/7234/7550/files/xujoxuduromo.pdf
- https://cdn.shopify.com/s/files/1/0434/4505/9749/files/jaxufafepavexari.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1985/files/resasemud.pdf
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/wemegaxisoparerevalezaz.pdf
- https://cdn.shopify.com/s/files/1/0438/1615/7344/files/40213785781.pdf
- https://cdn.shopify.com/s/files/1/0438/1035/7405/files/dubininizarozusofux.pdf
- https://cdn.shopify.com/s/files/1/0429/2512/9894/files/mibezinukepikiti.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004c3d.bin` `1c627cb30579df3af536ca3675c39c33eab8cdc50a0816e8d14e7affef1b95c9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C3D	4816 bytes
`font_01_sfnt_off00005cab.bin` `1d7ca10316add2dcc9bbed7a7f6de2f513ef9c908a4a0e220cef0c3642929708`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CAB	9836 bytes

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