Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d094f3181532ef0…

MALICIOUS

PDF

50.1 KB Created: 2020-08-25 16:12:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7c66ab467daa774c06f074049a40cef6 SHA-1: c8993f4d40c35efac0e73f856bde555edc9bab66 SHA-256: 5d094f3181532ef05bb47fc21428417a1cd22ba17f36b17ce425ebf76ee0a07b
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, https://ttraff.com/pify?keyword=longitude+and+latitude+worksheets+6th+grade, disguised as educational content. It also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier strongly indicated maliciousness.

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=longitude+and+latitude+worksheets+6th+grade In PDF document text
    • http://files.alexandramarin.ca/uploads/1/3/2/8/132815008/5b2a5.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/1/0431/3609/0267/files/50035353745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2461/2509/files/used_gun_values.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/gipes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9008/1960/files/dual_wielding_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4168/5665/files/5869629893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3620/5479/files/pefiwowumenarewofunipixe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3683/3954/files/automate_the_boring_stuff_with_python_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5876/4696/files/bachelor_of_business_information_technology_wikipedia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0309/1872/files/71778586664.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3860/4450/files/wijusakalapanesebalopo.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006598.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6598 5340 bytes
SHA-256: ea2bd139360f66a140753f245793fbf1d0b79d0edd1acc113f0d5db8126e7c4d
font_01_sfnt_off000077d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77D4 14844 bytes
SHA-256: 4db8e6615fad23abfec04c79c83e4969f2f9bc4b55be03922ef078ac95a01016
font_02_sfnt_off0000a643.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA643 16204 bytes
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15