Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcb10fc94c028196…

MALICIOUS

PDF

43.4 KB Created: 2020-10-22 23:08:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-25
MD5: 0ea28b78e402fef7c7004720a8041590 SHA-1: 131a1afa17590eb4f4a9c82acb7817a248e28634 SHA-256: bcb10fc94c028196078409f4166a34c8d6071791b7aa5661b5bc0961a116134e
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ttraff.club/123?keyword=ccna+routing+and+switching+study+guide In PDF document text
    • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/lujeduk-sejipimonedu.pdfIn PDF document text
    • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/xirokapogorere.pdfIn PDF document text
    • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/bopulutijip.pdfIn PDF document text
    • https://veraweno.weebly.com/uploads/1/3/0/7/130739577/rukimixaro.pdfIn PDF document text
    • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/ae55f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/1155/3473/files/24031572552.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0504/8418/3220/files/audi_q5_2020_manual_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4506/7684/files/46910658046.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4996/5985/files/molagegakakiwiwelogoje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/0742/5699/files/wolojovus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8320/2711/files/novekad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/7590/5957/files/gafuropirafikezaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/7616/9109/files/one_step_equation_word_problems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/3558/1342/files/kiwuxixudewexovadaner.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/sudden_death_infant_syndrome.pdfIn PDF document text
    • https://s3.amazonaws.com/susopuzupure/minukeporonilajim.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/amazon_e_commerce_case_study.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/roman_catholicism_loraine_boettner.pdfIn PDF document text
    • https://s3.amazonaws.com/vixuwogetiv/vutobuxuketivojudit.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/25876401832.pdfIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/77668309323.pdfIn PDF document text
    • https://s3.amazonaws.com/jasadavebaga/zepabinodosunogas.pdfIn PDF document text
    • https://s3.amazonaws.com/memul/container_dimensions_metric.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1359/3499/files/91557277247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9816/8725/files/vojexusepixewevofegorubiw.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000692f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x692F 5268 bytes
SHA-256: f027115a2e27da1467ef30d6d5488cf0119c970f015eaadefef0f9becb54f078
font_01_sfnt_off00007b18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B18 10744 bytes
SHA-256: 754555d77ccf7c68ff243217ca28ce973bbd91f117e8e347d174e560f68da8dc

Open this report in the interactive analyzer, or submit your own file for analysis.