PDF malware analysis — malicious · 9a33e466f5771402

MALICIOUS

PDF

67.1 KB Created: 2020-08-25 11:38:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a039bd40c829b9c04c09bb462be170cf SHA-1: 50b37f5c4708eb60c61e2778a16dca0904a6f55e SHA-256: 9a33e466f57714020ad2a877a1590cbc58373a10e94acf907a574d6ce7f91935

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirector. This indicates the document's primary purpose is to redirect users to malicious content, likely for further exploitation or phishing. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=wrong+turn+1+telugu+full+movie
- http://files.yukonhomes4rent.com/uploads/1/3/1/8/131856290/c44caa7d4f.pdf
- http://wawoja.peggytidwell.com/uploads/1/3/0/8/130874253/rudafom.pdf
- http://files.elbowgreece.com/uploads/1/3/1/3/131380482/1540228.pdf
- https://cdn.shopify.com/s/files/1/0434/6144/3748/files/ptcb_exam_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/nusoxujifaxudub.pdf
- https://cdn.shopify.com/s/files/1/0434/6871/8232/files/85021724300.pdf
- https://cdn.shopify.com/s/files/1/0438/2015/5042/files/oxidation_of_fatty_acids.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/31079557994.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/ipcc_report_2018_summary.pdf
- https://cdn.shopify.com/s/files/1/0433/9639/9265/files/apex_legends_stuck.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3439/files/conditional_sentence_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0433/7962/2040/files/adobe_photoshop_lightroom_free_apk.pdf
- https://cdn.shopify.com/s/files/1/0435/1868/9434/files/diya_decoration_activity_report.pdf
- https://cdn.shopify.com/s/files/1/0434/5066/3073/files/backyard_baseball_mac_emulator.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000676b.bin` `ef96da003a07375bfbf51ab03b53997c043fe45040f8598d6d7a3c4c32fa0c81`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x676B	28140 bytes
`font_01_sfnt_off0000bd7a.bin` `6d5f3a8cd87a90b550e6db0332efcc2234a952581bd9a400fd20a3cf3d312554`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBD7A	4708 bytes
`font_02_sfnt_off0000cd81.bin` `6808d80923cc63685d89c3132997c8cf3248df6af939cf4c1e0b653d7198db06`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD81	10344 bytes
`font_03_sfnt_off0000f0e8.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0E8	4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.