PDF malware analysis — malicious · 1ada8749f66fc630

MALICIOUS

PDF

43.8 KB Created: 2020-08-10 10:52:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a4762f8626bd9845c2ca76f32c8b20ae SHA-1: 68f10503592a1a9b393c30e330b09062ca70b288 SHA-256: 1ada8749f66fc630365270a50ea8215cee8d7ce0e85f69c06d6ae3c83c0d47c2

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a deceptive document body masquerading as exam results, designed to trick the user into clicking a link. This link, 'https://ttraff.cc/pify?keyword=mcaer+pg+cet+result+2020+pdf+download', redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm for SEO poisoning or traffic redirection.

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=mcaer+pg+cet+result+2020+pdf+download
- http://temavoka.ydicoetsee.com/uploads/1/3/2/3/132302780/gamofibudeputow.pdf
- http://files.limitlessptny.com/uploads/1/3/1/6/131606839/044c12.pdf
- http://vidaxim.precisionartstudio.com/uploads/1/3/1/4/131438216/7feac7.pdf
- http://files.quartertofour.net/uploads/1/3/2/6/132683334/tigivi-bozusolexusik-divun.pdf
- https://cdn.shopify.com/s/files/1/0432/7286/3904/files/smoking_weed_gif.pdf
- https://cdn.shopify.com/s/files/1/0448/7122/1410/files/errorless_physics_file_download.pdf
- https://cdn.shopify.com/s/files/1/0434/1288/1564/files/ionic_4_viewer.pdf
- https://cdn.shopify.com/s/files/1/0431/5987/9841/files/pikesafasajudepixevigifa.pdf
- https://cdn.shopify.com/s/files/1/0433/9371/2286/files/34190729436.pdf
- https://cdn.shopify.com/s/files/1/0435/9487/5039/files/91716993043.pdf
- https://cdn.shopify.com/s/files/1/0433/9132/0214/files/48853839413.pdf
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/gofofe.pdf
- https://cdn.shopify.com/s/files/1/0433/9322/0758/files/naxajezawejijus.pdf
- https://cdn.shopify.com/s/files/1/0432/0726/2367/files/toluribaxarorital.pdf
- https://cdn.shopify.com/s/files/1/0428/6827/7404/files/buderus_logamax_plus_gb172_24k.pdf
- https://cdn.shopify.com/s/files/1/0436/2970/7422/files/12515506599.pdf
- https://cdn.shopify.com/s/files/1/0430/6809/6661/files/kirigituxeba.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_off00006b83.bin` `7a4057ac6a09360a175b6c8704c6d7a6723ab9732973b50a2666f4f649614910`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B83	5696 bytes
`font_01_sfnt_off00007f17.bin` `454e8cf895271d7aeb2c00d2e3758abd88f78c42ea65600eed67401945b97dfa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F17	10192 bytes

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