MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=kindle+previewer+software+free'. This URL is presented within the document body, disguised as a 'Kindle previewer software free' download. The PDF also contains a link farm heuristic, indicating a large number of external links, many hosted on cdn.shopify.com. The presence of a 'download button' heuristic further supports the lure. The primary malicious URL is the highest priority IOC.
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.cc/pify?keyword=kindle+previewer+software+free In PDF document text
- http://files.thesavvywineshopper.com/uploads/1/3/0/7/130740458/sajinegawafefut.pdfIn PDF document text
- http://files.sophieknab.com/uploads/1/3/0/7/130739544/gedegigubaziku-bofoxo-pabevu.pdfIn PDF document text
- http://files.appliancepartscheap.com/uploads/1/3/1/8/131859895/juxewexozufo.pdfIn PDF document text
- http://files.cottageclockshop.com/uploads/1/3/0/9/130969761/ximisexonoxum-wegime-vapezezamu-legikufipizal.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/1/0436/5395/5742/files/79444471368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7926/8520/files/free_download_to_excel_converter_for_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8449/7575/files/op_amp_ic_741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/54338745979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/print_handwriting_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6013/3030/files/zixonanesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/kapofujonumedevimebidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1647/9132/files/tanagagixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xifadek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7426/3963/files/831440805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3159/2088/files/pemopunivakejud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/2082976754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/kelavavumukoguvodawonape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4029/3543/files/gunajewodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/wamube.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_off00005074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5074 | 5156 bytes |
SHA-256: 7dd140d8a3da07d67596e2afb32b51f487e581a41fb91a5683948b015ebd1ce5 |
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font_01_sfnt_off00006219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6219 | 10420 bytes |
SHA-256: a8cd77c9e3c34d343173fb487e4749ca44901647e482ab4f961f4fc3d5b7e65c |
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