PDF malware analysis — malicious · 5979a51b54767cce

MALICIOUS

PDF

49.0 KB Created: 2020-07-23 23:14:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 058575af303e644ebd3bafa94d277fe6 SHA-1: 25a5101f3b4fa3d144e9cd980e33e876dc1d1f8f SHA-256: 5979a51b54767cce364a7d0fd63d950182d50c03ab764c1558b13c5a87ce1fda

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link disguised as a search result for 'Omegle video for pc'. The document body, though heavily obfuscated, contains keywords related to the lure. The PDF also hosts a large number of external links, many pointing to Shopify domains, likely as part of an SEO link farm to improve search engine ranking for the malicious content.

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=omegle+video+for+pc
- http://files.thespicycowgirl.com/uploads/1/3/1/4/131453136/laburemilidoruku.pdf
- http://files.chicagolatexproducts.com/uploads/1/3/1/4/131406356/159578.pdf
- http://files.mosstand.com/uploads/1/3/1/4/131438840/7944097.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/zepikibodiberubagebaveb.pdf
- https://cdn.shopify.com/s/files/1/0430/3103/6053/files/mamesenaxozaberakurupenuw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tokavurovapipemekimisam.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/99333778528.pdf
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/rifimerove.pdf
- https://cdn.shopify.com/s/files/1/0433/6032/1691/files/susibebewi.pdf
- https://cdn.shopify.com/s/files/1/0427/3229/0215/files/70540254320.pdf
- https://cdn.shopify.com/s/files/1/0429/7372/4825/files/gatizetagivopuwimijer.pdf
- https://cdn.shopify.com/s/files/1/0430/3349/3658/files/zomonokemotumixobixu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dotedijulukamani.pdf
- https://cdn.shopify.com/s/files/1/0429/5612/8412/files/17888838421.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/nipalaladaviwujeb.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_off00006dc0.bin` `bb4e5b3fef4bedf2abd4d45475cd18ac0268d28fa09d9a97e732e05cb6dfdc55`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DC0	4776 bytes
`font_01_sfnt_off00007e07.bin` `8e78b9905b2773304e046394cc8dc447ca28f9a9412b2c8e844d7b314afc4e94`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E07	10372 bytes
`font_02_sfnt_off0000a17d.bin` `c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA17D	16164 bytes

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