PDF malware analysis — malicious · d679fd7f658152c5

MALICIOUS

PDF

47.5 KB Created: 2020-08-04 13:30:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 52c37374d90d654aedac45062521ab9b SHA-1: 4c2c3394019456fac67c91686d38d3c543ca26b5 SHA-256: d679fd7f658152c5989447c05dfd5b58b45a702b5ae41f467edd1472a930f6d3

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with a critical heuristic firing indicating it's a malicious redirector. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. This suggests the primary purpose is to redirect the user to a malicious site, likely for phishing or malware delivery. The presence of a link farm heuristic further supports the malicious intent.

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=how+to+calibrate+pressure+transmitter+with+hart+communicator+pdf
- http://files.qualitymulch.org/uploads/1/3/1/0/131070894/8160473.pdf
- http://files.santebarleyphils.com/uploads/1/3/1/4/131438453/5ae6d81b9.pdf
- http://jupebef.hbcatherinewriting.com/uploads/1/3/1/6/131606248/tiladagoduxusaw-misatijokagaf.pdf
- http://files.natinelflowerslinensandrentals.com/uploads/1/3/1/8/131871633/9174098.pdf
- http://files.beccarothfeld.com/uploads/1/3/2/6/132695663/sapijevob.pdf
- https://cdn.shopify.com/s/files/1/0432/1522/4996/files/wupedexuv.pdf
- https://cdn.shopify.com/s/files/1/0432/2508/8168/files/90773527362.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/64147670664.pdf
- https://cdn.shopify.com/s/files/1/0428/7492/9319/files/nemedakoxokedebaxazak.pdf
- https://cdn.shopify.com/s/files/1/0430/3172/4183/files/wupetozete.pdf
- https://cdn.shopify.com/s/files/1/0430/1737/1801/files/42159336262.pdf
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/alter_ego_3_b1.pdf
- https://cdn.shopify.com/s/files/1/0438/2782/2749/files/90563171986.pdf
- https://cdn.shopify.com/s/files/1/0431/5463/6966/files/95251469565.pdf
- https://cdn.shopify.com/s/files/1/0431/6620/4066/files/99566973673.pdf
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/90188310325.pdf
- https://cdn.shopify.com/s/files/1/0440/0028/0734/files/dosavexorabaser.pdf
- https://cdn.shopify.com/s/files/1/0436/4196/2649/files/bedurakidilu.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/
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000079d6.bin` `40df12a0f0b81b4ee1434e9f9f7da25724bf4814494190bc451a1643d8243c42`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79D6	5588 bytes
`font_01_sfnt_off00008cb2.bin` `5fba6f0c487ebe62336263c272587cdf60d569bd112463947a057ba05326e3d7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CB2	10388 bytes

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