PDF malware analysis — malicious · bf7d66b5430ce631

MALICIOUS

PDF

39.0 KB Created: 2020-09-09 06:44:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9141f4b0a93705232993d7ec57f25bfe SHA-1: db0a3a9e6d8b4ce7d6ad2679d497ac1db46416ac SHA-256: bf7d66b5430ce63132becce09cd0f5ea4d1464a357b218485d5e5df57a690a5a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=jai+ho+bhola+bhandari+ringtone'. Additionally, another critical heuristic indicates a PDF link farm with numerous external links, suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. The document body, though partially garbled, also contains the same malicious URL, reinforcing the redirection 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.cc/pify?keyword=jai+ho+bhola+bhandari+ringtone
- https://static.usrfiles.com/ugd/111c46_9137809052f3421595eec93fad4aaddb.pdf
- https://static.usrfiles.com/ugd/3bf302_c771fd6f8eba469c86b7e8c3619e1040.pdf
- https://static.usrfiles.com/ugd/d4a9d6_23965282734d467598eb90f49c3216e7.pdf
- https://static.usrfiles.com/ugd/f1c748_38c2f3384d384336b8588337d7f70636.pdf
- https://static.usrfiles.com/ugd/4bdc6d_1c1ee584444a448ab31a5800198ca06a.pdf
- https://static.usrfiles.com/ugd/ccb1c6_46f43beb25ba4ec78c0b91de55bd7248.pdf
- https://static.usrfiles.com/ugd/63d3ad_aabc9d49a1954564a5573c17bb535f98.pdf
- https://static.usrfiles.com/ugd/c0b427_cb937e8b340d42a79248b1318578ceac.pdf
- https://static.usrfiles.com/ugd/03dcd4_e255d157f0ee49e4ab483f6c2617ebfd.pdf
- https://cdn.shopify.com/s/files/1/0441/2624/0920/files/contact_angle_wettability.pdf
- https://cdn.shopify.com/s/files/1/0434/7147/0742/files/19219446333.pdf
- https://cdn.shopify.com/s/files/1/0428/3806/5308/files/duxanitovenitetanatat.pdf
- https://static.usrfiles.com/ugd/60ffa2_d8b2ed71037f42c5a121b25d1a11ea18.pdf
- https://static.usrfiles.com/ugd/86319b_abebe4f3ae4540debc88444b8c365030.pdf
- https://static.usrfiles.com/ugd/5ad03d_29de1aba45b5435e9a0dfea59a28cebf.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000059ee.bin` `c19e70392c68691577c9a0d8986e8dd3d279bc320121eda5a5bbd1abb057d909`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59EE	5036 bytes
`font_01_sfnt_off00006b06.bin` `b2542d4f1f0a5ffb6b5c49fa3815262efd699d27bcf3c1df6d9abc99dc16745a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B06	14544 bytes

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