Malicious PDF — malware analysis report

Static analysis result for SHA-256 f29992c662730a44…

MALICIOUS

PDF

38.6 KB Created: 2020-08-15 01:27:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c3fd0d11fce9a724e12377981407811 SHA-1: aaf593dfb6ec9f00d450f636e8c4afb307ddda7d SHA-256: f29992c662730a444709f6cbb40d467fa5afe35e4ca2760532847bf2c401dfbb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily corrupted, suggests it is disguised as an 'Alerion clean power annual report'. The primary malicious link, https://ttraff.ru/pify?keyword=alerion+clean+power+annual+report, is likely used to redirect the user to a malicious site. The presence of numerous other links to Shopify domains suggests a link farm or SEO poisoning tactic.

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=alerion+clean+power+annual+report
    • http://files.jennybirmelin.com/uploads/1/3/0/7/130775192/61fa549958.pdf
    • http://files.islgrads2020.com/uploads/1/3/2/6/132695278/davibi-jezadamoxunu-dadukarobebis-fodixikaxabujal.pdf
    • http://wotoluw.teachallnations.org/uploads/1/3/1/4/131406744/xebunusuno-bokixidebolijaz-zizuletexidufe.pdf
    • http://files.allthingsnoni.com/uploads/1/3/1/3/131383975/vopiwikuxubusi.pdf
    • https://cdn.shopify.com/s/files/1/0438/9791/3512/files/20869208132.pdf
    • https://cdn.shopify.com/s/files/1/0427/6987/5111/files/propiedades_curativas_del_alpiste.pdf
    • https://cdn.shopify.com/s/files/1/0441/1087/2728/files/6482392622.pdf
    • https://cdn.shopify.com/s/files/1/0437/7283/8039/files/beves.pdf
    • https://cdn.shopify.com/s/files/1/0432/1994/3579/files/zexawuxilulup.pdf
    • https://cdn.shopify.com/s/files/1/0433/5039/2984/files/36460069586.pdf
    • https://cdn.shopify.com/s/files/1/0433/0595/9588/files/37299130191.pdf
    • https://cdn.shopify.com/s/files/1/0432/7797/5712/files/alphabet_exercise.pdf
    • https://cdn.shopify.com/s/files/1/0432/8148/1884/files/city_sightseeing_cape_town_map.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.

FilenameKindSourceSize
font_00_sfnt_off00005ad1.bin
7e5cc880d656abe6bb709a71f1d28c6db95c3cee5e989d54284641ccb72d6547		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD1 4832 bytes
font_01_sfnt_off00006b54.bin
c8b2b94baa6142045b6badb558af6df3bb4378a16694797d55d1e50bc7f6c768		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B54 10144 bytes

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