PDF malware analysis — malicious · 9d19943efb428099

MALICIOUS

PDF

52.1 KB Created: 2020-08-15 06:44:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e0a6b7922f17f8298bbc4559c57d43ae SHA-1: 73e736cb2b259808e88ba49434f8fe3065c0e148 SHA-256: 9d19943efb42809972f6c96798de7c45399f7e7114f811718378714df49d9d51

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm designed to redirect users to malicious content, disguised as a download for "2019 bollywood hit songs zip file". The primary malicious URL identified is https://ttraff.ru/pify?keyword=2019+bollywood+hit+songs+zip+file. The document also contains numerous other links to PDF files hosted on Shopify, likely to improve search engine ranking and mask malicious activity. No scripts were extracted, and the document body is heavily obfuscated.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=2019+bollywood+hit+songs+zip+file
- http://files.mocins.com/uploads/1/3/0/9/130969153/7049282.pdf
- http://files.windmillpreschoolbrill.com/uploads/1/3/1/6/131637357/sofumemifoxese.pdf
- https://cdn.shopify.com/s/files/1/0432/9252/4702/files/pusudusanumisad.pdf
- https://cdn.shopify.com/s/files/1/0437/8460/1758/files/nodakabodidi.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/toganutiwoxojakisomo.pdf
- https://cdn.shopify.com/s/files/1/0432/1977/9741/files/prentice_hall_reference_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/8579/0365/files/boxiredigogusu.pdf
- https://cdn.shopify.com/s/files/1/0429/8260/4963/files/cecillia_wang.pdf
- https://cdn.shopify.com/s/files/1/0429/2499/8819/files/espresso_english_grammar_level_4.pdf
- https://cdn.shopify.com/s/files/1/0437/5327/5546/files/kofazudel.pdf
- https://cdn.shopify.com/s/files/1/0428/2934/9030/files/jimen.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000648f.bin` `d618e367fa50796a48c9f49498acd02235ff8eae6624d24989ef2c891e050820`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x648F	5768 bytes
`font_01_sfnt_off00007840.bin` `f83932257a38571f82aa189523e34f7bad5130950d7ca20d673e3f7311adfbe4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7840	6644 bytes
`font_02_sfnt_off000089e3.bin` `46851a5e3f8099281149f5e75ee7883bf1d08bba55ff881a0d2ca2a2399134c8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89E3	12968 bytes
`font_03_sfnt_off0000b2f5.bin` `266b939c9338ead1891b096f012eea199e478691fbfff715d753d73670228676`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB2F5	4500 bytes

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