PDF malware analysis — malicious · 2ab9312413e2a970

MALICIOUS

PDF

44.9 KB Created: 2020-08-03 19:08:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5ea5b83280d713f1887185b9015a0487 SHA-1: b87ae8c8f695f3a27cb29b500bb1a44fd9144916 SHA-256: 2ab9312413e2a97010d9140c595ca44ea29d07f95b2b44a6ff65cbb6d41565e1

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 presented as a resource for 'acing the interview'. This heuristic firing, combined with the presence of numerous other links to PDF files hosted on Shopify, suggests a link farm or phishing lure. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern. No scripts were extracted from this sample.

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=acing+the+interview+pdf
- http://files.jacksonandthepoolsharks.com/uploads/1/3/1/4/131483019/ruwoseneluvip.pdf
- http://files.bleakhilllincolnlongwools.com/uploads/1/3/1/4/131407918/mojulowifikuviv.pdf
- http://files.nerdinout.com/uploads/1/3/0/8/130814717/wowokukewugijife.pdf
- http://files.cuisinierssansfrontieres.org/uploads/1/3/0/7/130739415/jutemal.pdf
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/toxamajafuwidawim.pdf
- https://cdn.shopify.com/s/files/1/0434/4843/4840/files/spectra_s1_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/4483/8303/files/74329447450.pdf
- https://cdn.shopify.com/s/files/1/0433/7618/1398/files/dewojewojejoza.pdf
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/lemomalalagedumisiribasu.pdf
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/wutinapagapofewed.pdf
- https://cdn.shopify.com/s/files/1/0430/5738/1530/files/92328833405.pdf
- https://cdn.shopify.com/s/files/1/0429/1769/1559/files/dubop.pdf
- https://cdn.shopify.com/s/files/1/0432/8967/3883/files/kodukomasifawevasanet.pdf
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/tajon.pdf
- https://cdn.shopify.com/s/files/1/0435/8694/5187/files/nerapowazu.pdf
- https://cdn.shopify.com/s/files/1/0427/9674/4871/files/4847123080.pdf
- https://cdn.shopify.com/s/files/1/0435/1442/9608/files/jogunusibezupoxoki.pdf
- https://cdn.shopify.com/s/files/1/0437/6566/1845/files/23263515181.pdf
- https://cdn.shopify.com/s/files/1/0429/8866/7039/files/31134537858.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_off00007032.bin` `2a1c230f2810c9273dc3256d06c96df7756d718067af1f6fac5b9df01dbcd570`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7032	5136 bytes
`font_01_sfnt_off000081c4.bin` `f282314a3c8c140658afcb34c7b09c53c3aef3106ff4ece0708983d616072236`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81C4	10872 bytes

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