Malicious PDF — malware analysis report

Static analysis result for SHA-256 1341e91918da84fb…

MALICIOUS

PDF

58.3 KB Created: 2020-08-14 06:12:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eb9dc7fec47ef95636673e0ec163dc65 SHA-1: c4caa362a5f9e361a593d2f81a50b30bbc80314d SHA-256: 1341e91918da84fb1fac436449f12d47b175bb2c9b7bc95c315c947127544ecd
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, pointing to `https://ttraff.com/pify?keyword=amrita+nayak+all+video+songs`. This indicates a likely phishing or scam attempt, leveraging SEO tactics to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=amrita+nayak+all+video+songs In PDF document text
    • http://misedana.renewswindon.org.uk/uploads/1/3/2/7/132740405/0fe0810f1.pdfIn PDF document text
    • http://files.seviersdinternships.org/uploads/1/3/0/7/130775701/benabolib.pdfIn PDF document text
    • http://files.grantcountyinfair.com/uploads/1/3/0/7/130740464/siwofefojogudes.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/1/0440/9442/3192/files/74733875225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3519/6566/files/1334458490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4619/9711/files/punch_out_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5021/3274/files/figure_drawing_for_fashion_design_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6400/7583/files/60114363317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6678/4932/files/tarzan_car_full_movie_mp4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6544/2455/files/18148432172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5488/1175/files/conformational_analysis_of_cycloalkanes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7807/5036/files/nizitipofot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5594/6647/files/bojolixowukovigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1592/0024/files/mazevogowutoja.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

Related samples 2

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_off00008542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8542 5360 bytes
SHA-256: 777e92bde9bb3914294de1268f586830b123d975ee2a960e649c47861acb7721
font_01_sfnt_off0000976f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x976F 15204 bytes
SHA-256: 5d7137bc31ca2d54ca9e64518c0867e2ff8989ca95386422389b6e7f7c2f7ef0
font_02_sfnt_off0000c6bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6BC 16204 bytes
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd

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