PDF malware analysis — malicious · e5f1f0006188b622

MALICIOUS

PDF

50.0 KB Created: 2020-08-12 16:43:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 77ec8824e5f6757ad5353722adae4e70 SHA-1: 12b6d8fd6d9ad74b7d1280ddc75fc22553ccdb24 SHA-256: e5f1f0006188b622d46edfa864ebcc22fa31c7ddd5138c482eac179a97b9cffd

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector, ttraff.ru, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirector, suggesting a phishing or scam attempt.

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=calculus+a+complete+course+robert+a.+adams+christopher+essex+pdf
- http://xakan.lindamccallum.net/uploads/1/3/1/4/131482853/tamoxod.pdf
- http://bawur.viewpointvideos.com/uploads/1/3/1/6/131636725/3496f3.pdf
- http://files.anna-abraham.com/uploads/1/3/1/3/131383318/3988860.pdf
- http://wipawelob.lambethlarder.org/uploads/1/3/0/9/130969633/201952.pdf
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/gezolelewap.pdf
- https://cdn.shopify.com/s/files/1/0436/4029/1486/files/vudojazanu.pdf
- https://cdn.shopify.com/s/files/1/0433/2558/7610/files/55704876708.pdf
- https://cdn.shopify.com/s/files/1/0430/5082/7929/files/26433628482.pdf
- https://cdn.shopify.com/s/files/1/0438/0144/4512/files/hemiptera_morfologia.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58097506778.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/kuvesajaluwewepefigemamaz.pdf
- https://cdn.shopify.com/s/files/1/0430/6750/6845/files/accounting_dictionary_english_to_telugu.pdf
- https://cdn.shopify.com/s/files/1/0437/3138/6529/files/dezotoxubirake.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lipowu.pdf
- https://cdn.shopify.com/s/files/1/0435/2871/6439/files/50426844419.pdf
- https://cdn.shopify.com/s/files/1/0435/9559/5938/files/matelubugepajakakemuveso.pdf
- https://cdn.shopify.com/s/files/1/0431/1905/0908/files/jujowoxoranejivu.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006bde.bin` `2423e9ebd7e354cb2b4c3fd694bee70f3bd28ebb8a203c39d988846fa957ad70`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BDE	5432 bytes
`font_01_sfnt_off00007e5b.bin` `843b5bd922410b68db6b5336d4742f752443afa5530a628e679ddcce27d5339c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E5B	14548 bytes
`font_02_sfnt_off0000ac46.bin` `7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAC46	4324 bytes

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