PDF malware analysis — malicious · cafd75f2e0ca952d

MALICIOUS

PDF

33.1 KB Created: 2020-08-19 12:06:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 420505329a6e06e3a56bfc8eb9687e03 SHA-1: 836753e4e580886bc5b075e1b8042f3970725afd SHA-256: cafd75f2e0ca952d055897ebf2930e488f217fb9b482b8515dc409cfb0deced0

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing indicating it's a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=munna+bhai+mbbs+video+song++3gp`. The document body, though heavily obfuscated, contains text fragments that appear to be related to the lure, such as 'Munna bhai mbbs video song 3gp'. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on `cdn.shopify.com`, suggesting an attempt to distribute malicious content or manipulate search engine results.

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.cc/pify?keyword=munna+bhai+mbbs+video+song++3gp
- http://sekan.compoundincome.org/uploads/1/3/1/3/131384169/22a23eeaf5.pdf
- http://files.lovegrowscsa.com/uploads/1/3/1/4/131407493/6044760.pdf
- https://cdn.shopify.com/s/files/1/0429/9449/9743/files/2059640937.pdf
- https://cdn.shopify.com/s/files/1/0435/2652/0986/files/kawaniretagopotanum.pdf
- https://cdn.shopify.com/s/files/1/0440/4019/2150/files/principles_of_modern_chemistry.pdf
- https://cdn.shopify.com/s/files/1/0439/0843/2027/files/19827107821.pdf
- https://cdn.shopify.com/s/files/1/0431/0315/8433/files/system_analyst_definition.pdf
- https://cdn.shopify.com/s/files/1/0447/9614/9921/files/model_bye_laws_of_the_co_operative_housing_societies.pdf
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/33034963112.pdf
- https://cdn.shopify.com/s/files/1/0435/9503/8877/files/sword_fighting_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/0745/1041/files/26499271028.pdf
- https://cdn.shopify.com/s/files/1/0432/6303/3502/files/2731894660.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8401/files/rewidemo.pdf
- https://cdn.shopify.com/s/files/1/0431/6204/2529/files/william_alexander_painter.pdf
- https://cdn.shopify.com/s/files/1/0434/1311/0951/files/riesgos_laborales_en_odontologia.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/minirefotapobizezuloxot.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_off0000475c.bin` `4e538fc19bd0f3ff2230a75f461e20b6101a9480df82f41c18af1eaddadb8e05`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x475C	5616 bytes
`font_01_sfnt_off00005a5b.bin` `ec314bfd7b9a03d07c58a73f5134ab77b5fd10d36a4744cb274bd0fce26ffd60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5A5B	8596 bytes

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