PDF malware analysis — malicious · 3cc92293ffc02e53

MALICIOUS

PDF

59.1 KB Created: 2020-08-18 17:25:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 641bce3e0e136aedb180a427ea641467 SHA-1: 17d9a17ea43400462a7b59d717ff116f11928d0f SHA-256: 3cc92293ffc02e53e5aa5655254d63f6b103fe0951367de96c3b031b38a5a911

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=yam+agrarian+reform+farmers+cooperative'. The document body, though heavily obfuscated, contains references to this URL, suggesting it is the intended destination for users clicking on the embedded links. The presence of numerous links, many pointing to Shopify domains, suggests an attempt to disguise the malicious redirector within a seemingly legitimate context.

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.com/pify?keyword=yam+agrarian+reform+farmers+cooperative
- http://files.wvmooseassociation.org/uploads/1/3/1/6/131606174/bcfcf.pdf
- http://lopobow.ciecanswers.com/uploads/1/3/1/6/131607163/rawox.pdf
- http://files.oliverfeist.com/uploads/1/3/1/4/131453574/4136902.pdf
- http://givexexa.kodiakislandc.com/uploads/1/3/0/8/130873951/bd56e1208aa.pdf
- http://wokerimab.montessoriconcepts.com/uploads/1/3/2/7/132740214/wuzovaruza.pdf
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/35545080437.pdf
- https://cdn.shopify.com/s/files/1/0434/2261/3669/files/rozesafudeminoxek.pdf
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/lesijulukosuwati.pdf
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/kafosexuvopijosubosenul.pdf
- https://cdn.shopify.com/s/files/1/0440/0391/7974/files/73944903.pdf
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/embedded_linux_booting_process.pdf
- https://cdn.shopify.com/s/files/1/0439/6656/2462/files/lutizufabimilegetagekerix.pdf
- https://cdn.shopify.com/s/files/1/0431/1449/6161/files/josefulebixek.pdf
- https://cdn.shopify.com/s/files/1/0440/7758/0453/files/vector_class_c.pdf
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/jisix.pdf
- https://cdn.shopify.com/s/files/1/0433/5167/0943/files/32029075472.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_off0000a0de.bin` `3bb92ad520ecc674877a1eee3eeb04e33f55774f4948c747fce3b041eee56678`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA0DE	5324 bytes
`font_01_sfnt_off0000b2ef.bin` `e30ed705261be4d63eb8e7307eb7f01345f0e6a9577a70c3886aaeee64d97141`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB2EF	13868 bytes

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