PDF malware analysis — malicious · 997567ab0331b5d0

MALICIOUS

PDF

42.3 KB Created: 2020-08-30 18:27:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 001dabb98a0fad17fa57b1721e6689f1 SHA-1: 242e07ee0acbbc0d723f30e7673a98fa2943bd93 SHA-256: 997567ab0331b5d0fe519d9f88dc9c1797857a074e09d2c610b8b758ccfa19ab

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with many pointing to Shopify domains hosting other PDF files. One specific URL, 'https://ttraff.com/wix?keyword=c%25C3%25B3mo+cancelar+mi+patrocinio+de+World', is flagged as a malicious redirector. This suggests a tactic of using a link farm or SEO manipulation to distribute malicious content or redirect users to phishing sites. The ML classifier also strongly indicated maliciousness.

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.com/wix?keyword=c%25C3%25B3mo+cancelar+mi+patrocinio+de+World
- https://cdn.shopify.com/s/files/1/0431/7180/7381/files/sam_hyde_ted_talk.pdf
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/tufizedafonik.pdf
- https://cdn.shopify.com/s/files/1/0429/7913/1551/files/voladenugurabo.pdf
- https://cdn.shopify.com/s/files/1/0429/7588/7523/files/outlook_out_of_office_holiday_template.pdf
- https://cdn.shopify.com/s/files/1/0430/3188/8035/files/ccna_sybex_200_125.pdf
- https://cdn.shopify.com/s/files/1/0438/4853/2128/files/97715956572.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/ditepopiguli.pdf
- https://cdn.shopify.com/s/files/1/0437/3282/8314/files/10190001996.pdf
- https://cdn.shopify.com/s/files/1/0430/4188/2265/files/veteloxebofokanil.pdf
- https://cdn.shopify.com/s/files/1/0433/7388/7649/files/neopixel_color_chart.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/importance_of_c_programming_language.pdf
- https://cdn.shopify.com/s/files/1/0431/4847/6570/files/doxirutoxamuzorug.pdf
- https://static.usrfiles.com/ugd/de3d83_f9856ddbd9284cc090bd8a2fc0cfa45d.pdf
- https://static.usrfiles.com/ugd/b8c837_64ccf810d82c4e95b00fd7b0f7cf879f.pdf
- https://static.usrfiles.com/ugd/c8a981_78bacd7251114af4abeeb664b1cc883f.pdf
- https://static.usrfiles.com/ugd/5e8de6_677b056378a04b9c9c401736c2d457b2.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_off000063a3.bin` `fa4e587c2eb4090f4631645a88e6d1acf760c52db384412527be34b6c83d93bb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63A3	5192 bytes
`font_01_sfnt_off000074f0.bin` `9822f54c2b6db3de906221c2f134f7275df172b204726988ceebf566d37824f7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74F0	11388 bytes

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