Malicious PDF — malware analysis report

Static analysis result for SHA-256 b11e1f2e9bd4c59a…

MALICIOUS

PDF

43.1 KB Created: 2020-08-26 03:09:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b06323f4866a7f55a01cd3c06f50f1ec SHA-1: cf654c78c6d118b8bbd133063c900769229e2a90 SHA-256: b11e1f2e9bd4c59a2b65d96b044174967105eb094fc90c14629c3c02cf493cb8
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Pl sql developer 12 tnsnames location', suggesting a lure to trick users into clicking the malicious link. The presence of numerous external links, many pointing to Shopify, indicates a link farm strategy to potentially improve SEO or distribute malicious content. No scripts were extracted from this sample.

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.cc/pify?keyword=pl+sql+developer+12+tnsnames+location In PDF document text
    • http://files.barrvillemc.org/uploads/1/3/0/7/130776118/423244.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4972/2790/files/allocated_spending_plan_form_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2166/2365/files/10576376647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9857/8847/files/challa_punjabi_new_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6164/7262/files/pevubigodekimatevowugawon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6899/5222/files/40468075951.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5679/8615/files/74414640676.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0857/3088/files/best_day_of_my_life_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/9173/9043/files/green_smoothie_recipes_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1459/4464/files/angina_de_ludwig_pediatria.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1959/9004/files/34765836653.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C79 5380 bytes
SHA-256: 4784f94494f68d4126c1b80eef7d3864e147232058186e4484e833a177c9d4e1
font_01_sfnt_off00006ea6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EA6 10260 bytes
SHA-256: 052481fd857b321f21bdfa40f0ad7cd5e380102077e99d017baf608b2824fc6e
font_02_sfnt_off000091bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91BF 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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