MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, contains text related to 'learn french pronunciation pdf' and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful sites.
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.ru/pify?keyword=learn+french+pronunciation+pdf In PDF document text
- http://files.ellisonjazzmuseum.org/uploads/1/3/0/7/130739793/nogejagesemu.pdfIn PDF document text
- http://files.cancerjusticenetwork.org/uploads/1/3/0/9/130969704/781862.pdfIn PDF document text
- http://files.hiqsgroup.com/uploads/1/3/1/3/131381003/fc85d9.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/1/0429/6340/2905/files/39869795499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2843/8427/files/vovekowi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7318/2625/files/gamur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0147/9321/files/32072053368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7562/3320/files/48607467963.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5672/5159/files/52718909368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9040/3737/files/wosebusitav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78549170372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3179/7668/files/sidibabujepanowem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2624/9885/files/44648209692.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4790/2629/files/53219231562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8664/1304/files/pizza_antilopen_gang.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6577/8080/files/bumuzewikodikowakiber.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA84A | 4856 bytes |
SHA-256: 2d742028a7cd7174aa1069636ec910017ea49601db2a0a37d16b25ac6ea04987 |
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font_01_sfnt_off0000b8bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8BF | 10268 bytes |
SHA-256: 4cdb5cd7cc1660ed54f5405183b33de1b7f32c180384ade2ecc5c13a8e602340 |
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font_02_sfnt_off0000dbff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBFF | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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font_03_sfnt_off0000f12c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12C | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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