Malicious PDF — malware analysis report

Static analysis result for SHA-256 2269f1366c1383c8…

MALICIOUS

PDF

73.1 KB Created: 2020-08-08 22:10:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4cb02842f024444e01bcc72ba1881c7e SHA-1: e5f2d919ab8cf5be80df2f953e98bf17a268cc0d SHA-256: 2269f1366c1383c88df6602930eb85c6d32221c4cfa970c39b836d528b558fdc
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=colombo+airport+map+pdf', which is presented as a map of Colombo airport. The document body, though heavily obfuscated, contains references to this lure. The file also contains a large number of external PDF links, many hosted on shopify.com, suggesting a link farm or SEO poisoning tactic to distribute the malicious PDF.

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=colombo+airport+map+pdf
    • http://files.globalwarmingvector.com/uploads/1/3/0/7/130776602/2418340.pdf
    • http://files.marshallforhouse.org/uploads/1/3/0/7/130775002/6336302.pdf
    • http://files.beurownreligion.com/uploads/1/3/1/4/131407974/nunozozeleb-xojuzara-jadefetusaxa.pdf
    • http://files.rise2awakenhealth.com/uploads/1/3/1/0/131070799/2696de899.pdf
    • http://files.juliemidkiff.com/uploads/1/3/0/7/130776043/09110.pdf
    • https://cdn.shopify.com/s/files/1/0434/3382/0322/files/78437297561.pdf
    • https://cdn.shopify.com/s/files/1/0432/3577/0532/files/garasonoputefo.pdf
    • https://cdn.shopify.com/s/files/1/0437/1510/0840/files/international_business_level_strategies.pdf
    • https://cdn.shopify.com/s/files/1/0445/6418/5247/files/airship_openstack.pdf
    • https://cdn.shopify.com/s/files/1/0432/8351/3494/files/xuzinawaxatalunuzej.pdf
    • https://cdn.shopify.com/s/files/1/0437/7529/5640/files/college_physics_solutions_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/1284/0862/files/ladofuvefaxomananajov.pdf
    • https://cdn.shopify.com/s/files/1/0435/6328/6691/files/mokumogebudewilugapaze.pdf
    • https://cdn.shopify.com/s/files/1/0431/1682/2679/files/vafipan.pdf
    • https://cdn.shopify.com/s/files/1/0439/8029/2254/files/sampooran_chaupai_sahib.pdf
    • https://cdn.shopify.com/s/files/1/0431/9156/6493/files/boxexoralevukojesaf.pdf
    • https://cdn.shopify.com/s/files/1/0435/2815/9381/files/simibakoxekebuwon.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a2cb.bin
6f096bc0426e1e1af54ba96fbbc15ab88020b6c4ce41ac500912890f732fda51		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2CB 4736 bytes
font_01_sfnt_off0000b2d1.bin
840e89ccf3c8be5f492a5b2b77005afe34464365496c59edd67e09952d709d4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB2D1 6080 bytes
font_02_sfnt_off0000c576.bin
f53655a013337e90489b42a6e08aaac9b0f4c4161c47fdb88fbc6cb43c2bae06		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC576 10720 bytes
font_03_sfnt_off0000e50a.bin
1c1fd9573e93d5f2d78ed68248cd42e6149a4ddd40798fa2420f0a711ef7fd12		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE50A 10340 bytes
font_04_sfnt_off0001086d.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1086D 4324 bytes

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