MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed for SEO manipulation, likely for phishing or malware distribution. The embedded document body text, though heavily obfuscated, contains a URL pointing to a redirector, and also lists numerous benign-looking PDF links hosted on Shopify. The primary malicious URL is a redirector that appears to be part of a free download lure.
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.com/pify?keyword=aladdin+4d+software+free In PDF document text
- http://files.jazzbeyondborders.com/uploads/1/3/1/4/131408204/zivelezexumevik.pdfIn PDF document text
- http://files.hiagodesena.com/uploads/1/3/0/8/130814421/rofima_lasani_vododod_zumako.pdfIn PDF document text
- http://wiguraso.laurahelm.com/uploads/1/3/1/4/131406801/8dceba8.pdfIn PDF document text
- http://files.looneymoons.com/uploads/1/3/2/7/132740905/sevilotab-tumenopobelupez-pexadidetem-figelumaveviwoz.pdfIn PDF document text
- http://files.nelspruitlighthouse.org/uploads/1/3/0/9/130969334/81d9701b8d.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/1/0428/9275/5111/files/bims_assessment_spanish.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6094/4286/files/industrial_wastewater_treatment_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6640/0663/files/nopoporugunobijebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8788/8551/files/witinesefisoroj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2218/6653/files/bemipawofolalipepomewekaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5757/8137/files/12554563630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8976/5276/files/types_of_enzyme_catalysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6957/0198/files/astrologers_day.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0412/4571/files/bible_commentary_niv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3428/0090/files/62093718116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1679/8883/files/amino_acid_metabolism_mcq.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_off000064f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F9 | 5072 bytes |
SHA-256: c49f11ce8ee8a919d862c9c1df433ddd7de14cabacde69ba237e2876b888b2b0 |
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font_01_sfnt_off00007659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7659 | 9996 bytes |
SHA-256: fe2686733566b065d01df7e00fb220a7545fac75d4e4a55c5ae8d83f43787c2e |
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