PDF malware analysis — malicious · 966afc51a669a733

MALICIOUS

PDF

48.1 KB Created: 2020-08-05 05:49:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4091a71b10aac0c0fe886e8a6767730c SHA-1: 62fc11931cd89b1e06ad38993baefddfb933ee10 SHA-256: 966afc51a669a733a1096b4e62c2b3709bcf907e8f7b1f6132c4b0d27c3997cb

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.ru'. This URL is embedded within the document body, suggesting an attempt to lure the user to a malicious site. The presence of a large number of external PDF links further indicates a link farm or SEO poisoning tactic. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.

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=logical+reasoning+and+analytical+ability+for+upsc+pdf
- http://files.kris-ginadesigns.com/uploads/1/3/2/6/132695575/laxulavivosubeg_dibopagofofi_kapekewuf_gabirofawup.pdf
- http://files.hightstownhsbands.org/uploads/1/3/2/6/132695397/6a298ea01dd.pdf
- http://files.debadavis.com/uploads/1/3/1/3/131378921/tesulo-tevotefopasezad-mufawozom.pdf
- http://files.riversiderainier.com/uploads/1/3/2/7/132740275/3116463.pdf
- https://cdn.shopify.com/s/files/1/0440/0631/0046/files/78993660982.pdf
- https://cdn.shopify.com/s/files/1/0437/3472/8853/files/c_function_overloading.pdf
- https://cdn.shopify.com/s/files/1/0430/3287/1074/files/29456599332.pdf
- https://cdn.shopify.com/s/files/1/0434/8005/5958/files/nalugeturup.pdf
- https://cdn.shopify.com/s/files/1/0428/8839/6959/files/pabonupolasoji.pdf
- https://cdn.shopify.com/s/files/1/0433/7005/3782/files/ninazizuxi.pdf
- https://cdn.shopify.com/s/files/1/0432/6886/6208/files/longman_writer_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/9823/4270/files/mubotutefipufopagipule.pdf
- https://cdn.shopify.com/s/files/1/0440/7413/9813/files/wawewoti.pdf
- https://cdn.shopify.com/s/files/1/0437/4816/3735/files/fefekizivadami.pdf
- https://cdn.shopify.com/s/files/1/0437/9174/5175/files/how_to_make_look_like_book.pdf
- https://cdn.shopify.com/s/files/1/0434/5721/6678/files/judupikizupejum.pdf
- https://cdn.shopify.com/s/files/1/0430/8015/5289/files/97972296812.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_off00007b17.bin` `feebd29d2d524417a71792b3ca1e09e2e380084a8e70faf7a56bd01a7545749d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B17	5504 bytes
`font_01_sfnt_off00008de9.bin` `c645d2381c4118e4a54f03a6ce4b07c7d1712b22f9d777dcc8bc55af15d6b2d7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DE9	10936 bytes

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