PDF malware analysis — malicious · d78237a3aeaafeab

MALICIOUS

PDF

44.9 KB Created: 2020-08-06 23:22:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 73d8e1d82d3e1fca1462bc60cf606950 SHA-1: 3857bb44217f4968c5fa5a33a46a527d4fa82052 SHA-256: d78237a3aeaafeabc1accd6e3033e04f39eec5df607048b245b52ad319d1facf

120 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 likely used to host further malicious content or phishing pages. The document body, though heavily obfuscated, contains the target URL and appears to be a lure related to downloading a PDF. The presence of a large number of external links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to increase visibility of the malicious 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=bhagavad+gita+in+malayalam+with+meaning+pdf
- http://files.mattmediainc.com/uploads/1/3/0/7/130775261/sifepuk_gebul_resepowobagede_kotuginumaki.pdf
- http://files.moorestownlegendslax.com/uploads/1/3/1/4/131406510/mofowawonexupa.pdf
- http://bejomeba.horrortourers.com/uploads/1/3/2/7/132740214/tuvumadobobo.pdf
- https://cdn.shopify.com/s/files/1/0435/3772/7637/files/bicycle_repair.pdf
- https://cdn.shopify.com/s/files/1/0435/4555/9189/files/mebuxevewidajaxewevam.pdf
- https://cdn.shopify.com/s/files/1/0435/3074/8072/files/21443205851.pdf
- https://cdn.shopify.com/s/files/1/0435/7623/0046/files/vasez.pdf
- https://cdn.shopify.com/s/files/1/0435/8701/0715/files/bedujelaxasipo.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/tobelovegenarinurovatija.pdf
- https://cdn.shopify.com/s/files/1/0428/4396/3548/files/22738814047.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/30254217894.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30740110423.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7910/files/27990634409.pdf
- https://cdn.shopify.com/s/files/1/0432/3157/6231/files/basic_electronic_devices_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0439/8042/3326/files/fikisizo.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_off00005910.bin` `bab74ccef5253bb4981c35685794dbd02d28405896cd558fa654aafc355501e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5910	5164 bytes
`font_01_sfnt_off00006a8f.bin` `0326d71e110d3221411f763b9bae23ee4b8294c873f5e19b58b4d41db1e421ef`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A8F	14676 bytes
`font_02_sfnt_off00009896.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9896	4324 bytes

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