Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dde605e15a4ecac…

MALICIOUS

PDF

39.5 KB Created: 2020-08-23 06:08:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aa97ceb4a669c00484b7e53113233d28 SHA-1: 954ff860fa3f0cd83bafcda4c5ff86026511a18d SHA-256: 7dde605e15a4ecac90c2f8e324961b9e6620d5de46c5cfbd327e382b873f1fbc
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to drive traffic to malicious infrastructure. The document body and embedded links point to a lure for downloading a movie, which redirects to the malicious URL https://ttraff.com/pify?keyword=ann+maria+kalippilaanu+full+movie+online. The ML classifier strongly supports the malicious verdict.

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=ann+maria+kalippilaanu+full+movie+online In PDF document text
    • http://bujumo.genesfoundation.com/uploads/1/3/1/8/131856033/1837597.pdfIn PDF document text
    • http://files.solentfaa.co.uk/uploads/1/3/0/8/130874526/ae1034a5.pdfIn PDF document text
    • http://files.virginiagraynovels.com/uploads/1/3/1/3/131384436/ranexekogofefano.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/1/0435/7183/9135/files/bluestack_window_7_32_bit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5815/0046/files/difference_between_conductor_semiconductor_and_insulator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1104/6561/files/41542044972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0965/5462/files/adobe_illustrator_10_windows_xp_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9722/5368/files/97745580163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0675/4970/files/durufipukebesenox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5195/7923/files/lebutamud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7329/7814/files/wijuxenixiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0206/1215/files/curso_de_adestramento_canino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2598/7741/files/igcse_biology_drugs_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2308/8290/files/34613212007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8421/8532/files/53788135860.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8494/6333/files/87889886272.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F12 4784 bytes
SHA-256: 798719160c38ff9eab93cb6c3307a034882a9e00c4567f85bdd2ecd8f8c4440e
font_01_sfnt_off00005f36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F36 10380 bytes
SHA-256: 263314bfe469a92b65e0c4eedf8867974549c278700fa6746439956786a594f5
font_02_sfnt_off000082a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A8 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f