PDF malware analysis — malicious · 2f19eb34b87ad7ab

MALICIOUS

PDF

36.8 KB Created: 2020-08-10 15:26:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5a3d08dad9b3692c7a373bdd35d405a0 SHA-1: dcc4506f578cf373a7371c84a2dfcfe34d500e67 SHA-256: 2f19eb34b87ad7ab76be31a51fd7652e996881bb64810b80d9866259a378e7a2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=descargar+libro+automatismos+industriales+editex+pdf'. Additionally, it exhibits a PDF SEO link farm behavior, embedding numerous external PDF links, with the primary host being 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent. The primary goal appears to be directing users to malicious infrastructure through deceptive links within the PDF.

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/pify?keyword=descargar+libro+automatismos+industriales+editex+pdf
- http://files.rosegoldrecords.com/uploads/1/3/1/6/131606262/temibukefil_pumegesiwag_tivofebupepuvo_nafidit.pdf
- http://files.mtoliveameslidell.org/uploads/1/3/1/4/131483440/4390313.pdf
- http://sepomagus.animasriverdays.com/uploads/1/3/1/0/131070374/2357001.pdf
- http://files.yogicozy.com/uploads/1/3/0/8/130814717/2121470.pdf
- https://cdn.shopify.com/s/files/1/0429/9961/1553/files/656322710.pdf
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/tomozotodakajaxodob.pdf
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/miseruluvuxixuzekenax.pdf
- https://cdn.shopify.com/s/files/1/0432/8741/2900/files/ruzivevebit.pdf
- https://cdn.shopify.com/s/files/1/0435/2344/0804/files/16706708876.pdf
- https://cdn.shopify.com/s/files/1/0438/0029/7633/files/minecraft_portalcraft_map.pdf
- https://cdn.shopify.com/s/files/1/0434/2772/5474/files/dazenupera.pdf
- https://cdn.shopify.com/s/files/1/0433/2004/9822/files/18500044669.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39738284996.pdf
- https://cdn.shopify.com/s/files/1/0436/0683/5358/files/sinixegiwipito.pdf
- https://cdn.shopify.com/s/files/1/0434/3214/9148/files/52287336858.pdf
- https://cdn.shopify.com/s/files/1/0440/9887/9640/files/59897579918.pdf
- https://cdn.shopify.com/s/files/1/0429/1425/0905/files/learn_english_course.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_off00004ea3.bin` `66d15254813566a54a4835567431d428c5d6e19a5cc07accfa9077e53b8f3e55`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4EA3	5684 bytes
`font_01_sfnt_off000061dd.bin` `6a3de305ec53da47b52f292d6e0bea223820c3c7b8982e67f2c1d45d25ca99c7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61DD	10412 bytes

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