PDF malware analysis — malicious · 33d014083fcc6eb5

MALICIOUS

PDF

43.4 KB Created: 2020-08-01 08:23:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a21b5839bc6ad5327dd6e2242ce007d5 SHA-1: 92d5fbad7fc7fff102de1f2faf0998677d583eb8 SHA-256: 33d014083fcc6eb5c64b3e483b3614613a80fb2568f9bfe126b56838584a3800

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the URL and a lure related to an 'Orbit sprinkler timer manual'. This suggests a phishing attempt to redirect users to malicious content. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the ultimate destination or to appear more legitimate.

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=orbit+sprinkler+timer+manual
- http://files.divinesoulenergy.com/uploads/1/3/0/9/130969819/d55ccdadbe3c.pdf
- http://files.halonades.com/uploads/1/3/2/6/132681910/jizekomu.pdf
- http://files.eslkidz.com/uploads/1/3/1/4/131437775/xukov.pdf
- http://files.howtobeagreatprincipal.com/uploads/1/3/1/0/131070178/327109.pdf
- https://cdn.shopify.com/s/files/1/0433/9505/5766/files/fajod.pdf
- https://cdn.shopify.com/s/files/1/0430/6052/7265/files/jaxalowozutexidemafuf.pdf
- https://cdn.shopify.com/s/files/1/0439/0980/8280/files/ginezazamodeg.pdf
- https://cdn.shopify.com/s/files/1/0430/4463/4773/files/1337019929.pdf
- https://cdn.shopify.com/s/files/1/0428/8095/8617/files/petefirimifageretus.pdf
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/5878648594.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/wutobulofod.pdf
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/85642574114.pdf
- https://cdn.shopify.com/s/files/1/0435/2425/9992/files/lamaluvovinire.pdf
- https://cdn.shopify.com/s/files/1/0437/2607/8101/files/pedakivefadan.pdf
- https://cdn.shopify.com/s/files/1/0432/9000/1572/files/29317881693.pdf
- https://cdn.shopify.com/s/files/1/0434/7854/8630/files/ffvii_strategy_guide.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_off00005f7d.bin` `6044a560867b4526b1db07026243403ea8a821a5f7838fdc8dafb68f16d6f8f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F7D	4968 bytes
`font_01_sfnt_off0000703f.bin` `a0bbdab06c18de8dd67c6812c6e327714aedcd486f363f4b6a30d04fb797e5c8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x703F	10000 bytes
`font_02_sfnt_off0000926e.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x926E	4324 bytes

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