PDF malware analysis — malicious · 8b0eca53e5349dc9

MALICIOUS

PDF

41.6 KB Created: 2020-08-04 15:18:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7f5247db5baff9ef8bba5e86f15b86a9 SHA-1: 0100e846aaf889f30332325ceb025bbd4d90c399 SHA-256: 8b0eca53e5349dc96e958848e466c309a4eb137fd6ecec593dd3186661f340f8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=fazoli+s+catering+menu+pdf', which is flagged as malicious. The presence of a large number of external PDF links suggests a link farm or SEO poisoning attempt, further supporting the malicious intent of redirecting users to potentially harmful content.

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=fazoli+s+catering+menu+pdf
- http://files.awakeningcenter.net/uploads/1/3/0/9/130968917/9739124.pdf
- http://files.brookeannbailey.com/uploads/1/3/2/7/132740659/takigizojagojel_xepapikuga_jixatapazewovi_tutowatomaz.pdf
- http://files.ohioadolescenthealth.org/uploads/1/3/1/4/131437636/kagukibagebabiw.pdf
- http://files.castironbrighton.com/uploads/1/3/0/7/130740524/9558521.pdf
- http://files.snidersjewelers.com/uploads/1/3/1/4/131406736/rusubez-zirolewadenedot.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4013/files/94236903540.pdf
- https://cdn.shopify.com/s/files/1/0430/4361/8965/files/benesokutitejalomaz.pdf
- https://cdn.shopify.com/s/files/1/0428/1368/5927/files/32111655935.pdf
- https://cdn.shopify.com/s/files/1/0432/7201/1941/files/anime_glasses_meme.pdf
- https://cdn.shopify.com/s/files/1/0434/7287/9782/files/30274108313.pdf
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/hosa_medical_math_practice_test.pdf
- https://cdn.shopify.com/s/files/1/0437/7729/4498/files/18244206079.pdf
- https://cdn.shopify.com/s/files/1/0437/7948/9946/files/somijeso.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7962/files/kiwusedesuviruba.pdf
- https://cdn.shopify.com/s/files/1/0433/4583/8232/files/jidirusapezuwudonotijima.pdf
- https://cdn.shopify.com/s/files/1/0429/1988/7001/files/38549573149.pdf
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/57558168831.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_off00006339.bin` `eb0826bbeaa0941cdf9fee2efc86aa6abe039268e9e594f4aa99748041534d88`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6339	5480 bytes
`font_01_sfnt_off000075d3.bin` `5db7fd0c8bc5228b8f0ee9b2b33f37f4da8adb73d0ab6e7b8f8fbd3b276f66f8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75D3	10472 bytes

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