Malicious PDF — malware analysis report

Static analysis result for SHA-256 9efcc85d8f93add1…

MALICIOUS

PDF

43.4 KB Created: 2020-08-06 09:03:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d8dc47c87b09c5007f09f8727646c016 SHA-1: e252e008e6beaa3525aabfb750e3d1cbd237be10 SHA-256: 9efcc85d8f93add1b5eb40958340e31db8c5877005bde3a8e5b892143730973f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a redirector to a URL that spoofs a 'Bahrain duty free liquor price list pdf'. This indicates a phishing or scam attempt. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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.com/pify?keyword=bahrain+duty+free+liquor+price+list+pdf In PDF document text
    • http://files.sandrameek.com/uploads/1/3/1/3/131383247/27540c75ec4cd76.pdfIn PDF document text
    • http://files.trainshoppeslc.com/uploads/1/3/2/6/132696500/pozefipivujoj-dizesarow-kiforemimesuxuk.pdfIn PDF document text
    • http://files.fitnesszonesteinbach.com/uploads/1/3/2/3/132302992/c22f910abf8.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/1/0434/8513/5014/files/48510778038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1910/6461/files/rolling_stone_greatest_albums.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4452/7528/files/jolagividen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9086/9410/files/95358099004.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7315/8806/files/47009872666.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9204741539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4932/0597/files/joseminutosubowa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5475/9065/files/master_thesis_topics_in_accounting_and_finance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1478/2119/files/luxesoruwitetaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5724/9430/files/vomefa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8476/5591/files/adding_and_subtracting_decimals_test.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 5

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_off00006a4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A4C 5520 bytes
SHA-256: e21a46116ba2947f51e2efbbed50426fe88a905856d1b5cb48dbe1a1b08c6a8e
font_01_sfnt_off00007d11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D11 10460 bytes
SHA-256: 163a0370ce6d677b6b686c52972e04a1916727fa21d2fa5e8406cd6f3b9a7b36

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