MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a mass external link farm, with one link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=magnesium+carbonate+chalk' which is likely intended to lead the user to malicious content. The presence of numerous Shopify-hosted PDF links suggests an attempt to obscure the malicious destination through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wix?keyword=magnesium+carbonate+chalk In 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/1/0435/2068/8282/files/between_worlds_a_reader_rhetoric_and_handbook_7th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68769425665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5813/4182/files/16131676415.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7003/7924/files/bootstrap_form_radio_button_inline.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8789/6488/files/lejurozejaduvosarojapuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5066/3073/files/calculus_early_transcendentals_10th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8938/5885/files/vililaxon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3876/7266/files/alfresco_community_edition_linux.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9b94b05d034940d8877c2d6facf28444.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_c7a857dc0c504b479524203800e8996a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_87138a1d72a24928a626ab6d5ac58bec.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9436f4bf0adf43519e33418329dfb0f1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_1da9f961d4434ef8b662912083cb0192.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000669b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x669B | 6492 bytes |
SHA-256: cf6bcbaf462759e04676f8989e7e87ed4d43c4317550ddbd0c5684ab0bd17b73 |
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font_01_sfnt_off000076cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76CF | 5304 bytes |
SHA-256: 1ac4c3e0d162d38d6d6f8c4551eb9457d62b8bf95a26390c0dce19ff77f2c2fd |
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font_02_sfnt_off000088ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88AB | 15396 bytes |
SHA-256: 1318b5104fdd25f41490282931570a911dc28ae8ac0b326e641381839c6607af |
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font_03_sfnt_off0000b849.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB849 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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