MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including Shopify. One of the primary links directs to a known malicious redirector. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, suggesting it's not a legitimate document. The presence of a malicious redirector and a link farm indicates an attempt to drive traffic to potentially harmful content.
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=aeriforme+etimologia+griega In PDF document text
- http://latoti.americanfamilyfeed.com/uploads/1/3/2/7/132712324/fasigej_fugawaneb_towake.pdfIn PDF document text
- http://pegefedom.latin-numbers.com/uploads/1/3/1/3/131381428/648dc.pdfIn PDF document text
- http://files.whitegallowaysofwayby.com/uploads/1/3/0/8/130873907/fewubogukobavel-sixomolimu-mifip.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/1/0433/8063/7861/files/20093176578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8311/files/xanivod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/lufepirimegefamimobusuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0522/2813/files/warufusupuletitibekotem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8733/1481/files/23250505983.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8800/1689/files/20895640602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0601/7185/files/co_worker_synonym.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/upsc_cds_ota_syllabus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4191/4006/files/44331692970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1537/2949/files/carbon_nanotubes_in_concrete.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F9 | 4900 bytes |
SHA-256: 24c3893558dcacf72ba56d4818f6511a26ef1d7ba1d5adb4619cf439f3f39c4e |
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font_01_sfnt_off0000878a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x878A | 22600 bytes |
SHA-256: 954aa1599645506449a37caac623d7062516eeec3cd8a998b665f401276abcb6 |
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font_02_sfnt_off0000c376.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC376 | 16520 bytes |
SHA-256: fbea06e9a983e9a8ab4110dc1b1a2d0262c93ae4d21686d7de7b99c87c14192f |
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