PDF static analysis report

Static analysis result for SHA-256 71e2a84318236946…

SUSPICIOUS

PDF

80.2 KB Created: 2021-04-30 22:40:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7bf024d75fe959fa00bd3c2885dd5e73 SHA-1: ed83b090327c2b5d66ef4c7ee7b411426f95917a SHA-256: 71e2a84318236946339521b799418c2fc567c09b89d4f75bf06fe2a24ddbfa7e
36 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or scam attempt. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of the external URI suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 3

  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://jacksth.ru/strik?utm_term=2009+toyota+corolla+engine+mount+replacement PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4417221/normal_5ff5511bdf3bc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369923/normal_600fd9d9eaa31.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371020/normal_600d8f272feb4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448540/normal_6031e3f083687.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481403/normal_6019d2a801eb0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384320/normal_6067002982218.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jexijer/lajipil.pdfIn PDF document text
    • https://s3.amazonaws.com/daniwodug/gizanigapejobirafix.pdfIn PDF document text
    • https://s3.amazonaws.com/novipaliwid/truck_driver_in_spanish_slang.pdfIn PDF document text
    • http://rukaxamusotaz.rf.gd/38870915287.pdfIn PDF document text
    • https://cb6d8354-940b-4e05-9f1d-0150973ab277.filesusr.com/ugd/882da0_866bf1c28c784a42a420cb4b75f89533.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/f28501e9-68d6-463c-b003-c31c8551b0b1/bright_line_eating_negative_reviews.pdfIn PDF document text
    • https://12c9c681-cafc-4f88-93da-cb6f471fd49a.filesusr.com/ugd/f09a9d_30720d71b765496385f730cbcd49ca61.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/06c24a18-3d8e-4a6a-a589-26d06feb6516/is_the_fifty_shades_of_grey_trilogy_on_netflix.pdfIn PDF document text
    • http://nupusadulawux.epizy.com/adobe_pro_apk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/610ea3b3-5eae-42e4-b36f-0da10fa97c28/who_does_mia_marry_in_princess_diaries_books.pdfIn PDF document text
    • http://ranuvurimokolow.rf.gd/trimble_s6_series.pdfIn PDF document text
    • https://8964868a-aef6-4da0-9a9b-29de7c28e0c5.filesusr.com/ugd/b910ae_fc42d624027442f984aa168e4f44f648.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3680deb-1b79-41e5-81c8-777c7f8d1cef/rijuluvojife.pdfIn PDF document text
    • http://vufilupirudote.rf.gd/vudad.pdfIn PDF document text
    • http://jinujatafariva.rf.gd/the_sharper_image_7x50_all-weather_uv_binoculars.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/vojotot.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fa34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA34 5512 bytes
SHA-256: 6e5d58148f795fa81a1ba747b1fce289077e2a328c0257d146672a9d8543b4ce
font_01_sfnt_off00010ce7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CE7 11208 bytes
SHA-256: ced6fae95944750f2aa80c11cdfd2ce53b9e7269f8bbe9218206ee60a81c8d6e

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