PDF malware analysis — malicious · 444e1648ec5ff51a

MALICIOUS

PDF

42.1 KB Created: 2020-09-01 00:04:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bc77037483beffd09259b8e56b3857cb SHA-1: 7fd644cef30e1a2c39b881133a4a071513a6ebc4 SHA-256: 444e1648ec5ff51a6f4b80c44c9b59c4b34f33c7890bc78f2b990de97c6feac2

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly suggest this. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure for a 'cartoon monkey face template'. The presence of a 'download button' heuristic further supports the attack pattern of luring users to click malicious links.

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.com/wix?keyword=cartoon+monkey+face+template
- https://cdn.shopify.com/s/files/1/0431/2314/6909/files/wonulufiderusa.pdf
- https://cdn.shopify.com/s/files/1/0429/2080/4511/files/definition_of_educational_management.pdf
- https://cdn.shopify.com/s/files/1/0456/9890/8316/files/dj_album_song_tamil_video.pdf
- https://static.usrfiles.com/ugd/cf14a4_b4fc1731c0a042ceb20aca4cb676cdff.pdf
- https://static.usrfiles.com/ugd/d94ae5_7060a8f5a52b4bad82dfd0b1ba9707ef.pdf
- https://static.usrfiles.com/ugd/3aee12_776700f9b24b40d7b558ea539c96d1c8.pdf
- https://static.usrfiles.com/ugd/3bf302_bb8b65b3463e456387e3236698073a7f.pdf
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/48923288127.pdf
- https://cdn.shopify.com/s/files/1/0461/7489/6281/files/razositopase.pdf
- https://cdn.shopify.com/s/files/1/0437/0222/3013/files/8505917513.pdf
- https://cdn.shopify.com/s/files/1/0432/8544/6824/files/guideline_value_for_survey_number_in_coimbatore.pdf
- https://static.usrfiles.com/ugd/0286dd_819d444d8a434be49a3d7cb6c06bd111.pdf
- https://static.usrfiles.com/ugd/bfbc46_3ed9a5799ab34c338260e10534331c12.pdf
- https://static.usrfiles.com/ugd/b910ae_d907e0eda21542969d0a03ec00dba9cc.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_off00006685.bin` `dd795c65004ab88e6c83b3b9a8d5959ac2e1622973fa57d5b3d549fa425d33d2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6685	5056 bytes
`font_01_sfnt_off000077b3.bin` `448f90cf61d2b297fe24e9f856b733c38a18ac060dbb22692e67eca668a1ff6f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77B3	10732 bytes

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