Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f17867e8b8990f3…

MALICIOUS

PDF

41.8 KB Created: 2020-08-06 10:46:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f9be7506cc2ca1660ac3c1115a4c0ad8 SHA-1: 36d4c8c1c3967617c576e7e1e0bfac76782638d8 SHA-256: 1f17867e8b8990f32d4d84223cf16345482ef92a735ed119a9c2e0db15f72743
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Psychology facts about love pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful content.

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=psychology+facts+about+love+pdf In PDF document text
    • http://files.emmafisk.co.uk/uploads/1/3/0/7/130775831/8315811.pdfIn PDF document text
    • http://files.bendfarmersmarket.com/uploads/1/3/0/7/130739625/vimunawuliwejo-tusuf-papikegekenug.pdfIn PDF document text
    • http://files.oursaviorsdevilslake.org/uploads/1/3/1/4/131452799/fe032d5c.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/1/0433/4642/8072/files/69255243659.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5272/0543/files/95694835168.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7749/2118/files/july_2020_calendar_with_holidays.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1588/9305/files/lezikafukanodirora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6823/5682/files/jiguretopiwelevik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1649/3976/files/39035711485.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0681/9493/files/dadewonuzijutukupovexes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0975/3767/files/pobiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2071/4137/files/jasadabutegoreja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9308/2783/files/contractor_proposal_template.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_off00006537.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6537 5624 bytes
SHA-256: 41aed13ab3e4959adb88dd2b724fa4790a01d5a9676b0fa743b9e8668a8634d7
font_01_sfnt_off00007865.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7865 10024 bytes
SHA-256: 9d6c91707a7e61cdb2e464d2e8374d0a15bd2fe5257f177ddc05efa780dabb20

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