PDF malware analysis — malicious · 42eb8576e7d5328e

MALICIOUS

PDF

47.8 KB Created: 2020-09-06 18:47:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 789bb83095d4597cfea7334066a46eb9 SHA-1: 22de25a5411da4db67cf6d45e6a77e59e3ff634b SHA-256: 42eb8576e7d5328ed63c4410ce95d9189dd1838cd02c6f396401cc830204f912

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=application+duplicate+marksheet'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including 'https://cdn.shopify.com/s/files/1/0430/2215/5930/files/bovowe.pdf'. The presence of a visual download button lure further supports the malicious intent of directing users to external, potentially harmful content.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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.me/wix?keyword=application+duplicate+marksheet
- https://cdn.shopify.com/s/files/1/0430/2215/5930/files/bovowe.pdf
- https://cdn.shopify.com/s/files/1/0431/2390/0565/files/atlanta_international_airport_flight_information.pdf
- https://cdn.shopify.com/s/files/1/0433/3551/6318/files/xetap.pdf
- https://cdn.shopify.com/s/files/1/0434/4938/5126/files/chernobyl_hbo_imdb_parents_guide.pdf
- https://static.usrfiles.com/ugd/7d1dc9_043c592770af487887f2992e610fe4ea.pdf
- https://static.usrfiles.com/ugd/b222ea_0e56a2ab435744108a0e2246bd555701.pdf
- https://static.usrfiles.com/ugd/30ea26_843d9d8be60f432eb2fa9780186d3e57.pdf
- https://static.usrfiles.com/ugd/078c79_17aae0ff7cd748df9557841c173f0828.pdf
- https://static.usrfiles.com/ugd/9117e0_e4010c111f4f4716b6a2dadf4e5f95d9.pdf
- https://static.usrfiles.com/ugd/e4a001_3853d0c7ef194032b1b4645712fe6fd0.pdf
- https://static.usrfiles.com/ugd/ca32a8_281d8ea217854a06965b1d64e5f5cd73.pdf
- https://static.usrfiles.com/ugd/035627_5a90bb2199094e2a94e66cc575e624bd.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_off00007222.bin` `b7f317aa0f29cd34df008dc84d8f376d2685882a57a4a5cd0d86477d0adf885a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7222	2828 bytes
`font_01_sfnt_off00007c1d.bin` `8fce033bebe947c3a5446f3a42dea34d87dc55689928354d146fefbcfcd396ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C1D	5368 bytes
`font_02_sfnt_off00008e2f.bin` `7f775d0d028e7ab958e86416f0fabf62614ef3e99b107ad3c278ccc4957b7f26`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E2F	10012 bytes

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