MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, masquerading as a download for an engineering drawing book. One of these links, `https://ttraff.com/pify?keyword=engg+drawing+book+pdf+download`, points to a known malicious redirector. The presence of a large number of external PDF links, many hosted on `cdn.shopify.com`, suggests a link farm designed to attract clicks. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=engg+drawing+book+pdf+download In PDF document text
- http://files.thecherigroves.com/uploads/1/3/1/3/131398156/0c09cff1c7.pdfIn PDF document text
- http://files.audiotechmalta.com/uploads/1/3/0/7/130740547/netenimogowejo_zateselo_sutijaguge.pdfIn PDF document text
- http://files.bay-point-church.com/uploads/1/3/2/7/132712282/4132290.pdfIn PDF document text
- http://files.apostolicdeliverancefive.org/uploads/1/3/2/6/132681976/felidul.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/1/0440/3711/1958/files/lebovulogekewoxuruf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/resuzotavuwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9067/3813/files/jolakogojatumazitakukesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/40379723904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4768/2201/files/98917628950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/dawalanavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/tidupize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5114/7676/files/ramefakawidomobopepede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2451/5229/files/jewufivebikuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/zezibusatexunugov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2050/7546/files/zabasawol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8670/7876/files/redijivagejunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/toforesevova.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70EB | 4876 bytes |
SHA-256: 0fa563de5323717dee47031d24787cd926ea3903c04eb3d7d6ca0d7a1ae3b173 |
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font_01_sfnt_off00008182.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8182 | 2116 bytes |
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
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font_02_sfnt_off00008b4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B4C | 15696 bytes |
SHA-256: b3445ca530569c67e60d07c9a88d6bb17b89595fc12db7f6bf8dd349d43d6f0e |
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