Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5298e0347bc4267…

MALICIOUS

PDF

58.1 KB Created: 2020-08-20 02:49:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e170d94b166a15ef20acfe3d22e689c8 SHA-1: 9db97b625eacacf7d2dbe41bd800211f6f6b5a34 SHA-256: b5298e0347bc42675db8a8dd8f221290fa5064e221ff0440e6192566229f3d26
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL 'https://ttraff.com/pify?keyword=sad+shayari+wallpaper++free+hd' is likely the initial lure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=sad+shayari+wallpaper++free+hd In PDF document text
    • http://files.shaunyates.com/uploads/1/3/2/3/132303320/08945814c7489.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1762/3957/files/sutisepubiguzujitum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8569/9997/files/how_to_facebook_videos_without_application.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8079/4780/files/arsenal_vs_chelsea_highlights_today.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7792/7072/files/vtech_dect_6._0_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2454/0071/files/18415231740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5806/0703/files/blender_models_for.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6948/8798/files/palutekuxitadoxav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1280/6040/files/sojakijogetepexedupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5551/2738/files/86329278146.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/13190518160.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000595f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x595F 5428 bytes
SHA-256: 665e029a8474f48cb7f39e1f87a839ddc4f44ab53fb1d54e6773be66aca14acc
font_01_sfnt_off00006be1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE1 3720 bytes
SHA-256: 40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b
font_02_sfnt_off0000773b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x773B 3960 bytes
SHA-256: 0a046cf7333bf656def2807a2a39f730af52d8747d1423ac44dbb8f51f2338c6
font_03_sfnt_off0000852a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x852A 9984 bytes
SHA-256: b1c97f91e52de1d899f2ff7d67d0ee81eddd1d89748760e0efe0492e9d7fb15e
font_04_sfnt_off0000a7a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA7A1 16860 bytes
SHA-256: 6f64c23e4c59249dced8fdb30ce2b80ef420d1d292b5414ff0ececfa09d76ef3
font_05_sfnt_off0000beee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBEEE 5444 bytes
SHA-256: e07c3c39bed7beeb42f6401bf0603d9ce02f71f5154251b20f6ace1e604ef041
font_06_sfnt_off0000d26d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD26D 1736 bytes
SHA-256: 551918360585b1590efa6fd2a215345b2f702067d151a0e4b48cfa7490b57960