MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF contains a high number of links to external PDFs, many of which are hosted on Shopify and appear to be part of an SEO link farm. The primary redirector URL, https://ttraff.ru/pify?keyword=the+business+book+big+ideas+simply+explained+pdf+download, is flagged as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting it's the intended lure. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=the+business+book+big+ideas+simply+explained+pdf+download In PDF document text
- http://rarijotu.buchspielerrecords.com/uploads/1/3/1/4/131482962/wuzugolutapu_tubimav_vofexiza_wugeli.pdfIn PDF document text
- http://files.deanagrenier.com/uploads/1/3/1/0/131069879/6451081.pdfIn PDF document text
- http://files.fumcgonzales.org/uploads/1/3/0/9/130969461/budizetek-jiwanagesawubik.pdfIn PDF document text
- http://files.karenfang.com/uploads/1/3/2/7/132740350/xolikavi-xosiwikilo.pdfIn PDF document text
- http://files.threadbarehands.com/uploads/1/3/0/8/130813818/9674229.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/1/0429/1729/8329/files/48860046435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5493/0839/files/44305141614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2338/5247/files/lazixazuxobelebilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3640/8982/files/ladiletumiwuxovazepag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7909/0855/files/pagevaparumezigemodosopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0624/5539/files/vamidimuvodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9603/9839/files/gutukan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/matter_and_interactions_4th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1814/1347/files/86480699960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8249/7701/files/run_dmc_ghostbusters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9605/3662/files/verbe_anglais_traduit_en_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3577/1558/files/26116856499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2585/8711/files/customs_law_manual_2020_19.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76DC | 5776 bytes |
SHA-256: b2caa5755435aea9440a42f929deabb24daee6d544376a78a95228190cc8576f |
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font_01_sfnt_off00008a7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A7A | 10004 bytes |
SHA-256: 53b4dbc90cc1089f876537cf5931e80a742b410cdb39a41e41c8f2cde37f27f0 |
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