Malicious PDF — malware analysis report

Static analysis result for SHA-256 650a5e0fc9a3b983…

MALICIOUS

PDF

18.6 KB Created: 2020-10-23 02:27:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ffbd637f239c22f32433d7768bb50ef0 SHA-1: 649853a435d4ae23573746d8cae59ee4fb087bde SHA-256: 650a5e0fc9a3b983ede99965def207143672cbe7f30e5cf2733e3cf5cd5fda09
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a malicious redirector link and an image-only lure, typical of phishing campaigns. It contains numerous external links, with the primary one leading to `ggtraff.ru`, which is flagged as malicious. The document body itself contains obfuscated text and the primary malicious URL, suggesting an attempt to disguise its true purpose. No scripts were extracted, but the structure and URL indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 18 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://ggtraff.ru/aws?keyword=approaches+to+social+research+6th+edition+pdf
    • https://fosogaji.weebly.com/uploads/1/3/1/4/131455903/8e41934678e53.pdf
    • https://kuwofepex.weebly.com/uploads/1/3/2/7/132740654/jusifenulijukaw.pdf
    • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/wakores.pdf
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/1d1f8ecc085ca.pdf
    • https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/dusifurogaxati_posapifil_xalamatoxapobu.pdf
    • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/6121330.pdf
    • https://popilezofale.weebly.com/uploads/1/3/1/1/131164236/4507959.pdf
    • https://xetutinafo.weebly.com/uploads/1/3/0/7/130775845/tepekikisakexusub.pdf
    • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/rudaniwewuzopelevo.pdf
    • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/308f030.pdf
    • https://s3.amazonaws.com/taturi/bidutit.pdf
    • https://s3.amazonaws.com/ginutu/apache_ignite_download.pdf
    • https://s3.amazonaws.com/sitok/belgium_visa_application_form_for_short_stay.pdf
    • https://cdn.shopify.com/s/files/1/0498/8724/8538/files/ninja_assassin_full_movie_download_hd.pdf
    • https://cdn.shopify.com/s/files/1/0438/7376/3496/files/the_watch_repairers_manual_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0476/6688/8870/files/fovopunezosit.pdf
    • https://s3.amazonaws.com/zuxadol/79896183905.pdf
    • https://s3.amazonaws.com/zunewidimem/25050034309.pdf
    • https://s3.amazonaws.com/vinivuxo/dunajifimobuxozipopupado.pdf

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