MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=convert+bitmap+into+base64+android'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The presence of a large number of external PDF links also suggests a link farm or SEO poisoning attempt. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=convert+bitmap+into+base64+android In PDF document text
- http://files.sosobootcamp.com/uploads/1/3/0/9/130969494/4fe8b4de001dbd3.pdfIn PDF document text
- http://files.reneejackman.com/uploads/1/3/0/8/130873794/41f95bdb.pdfIn PDF document text
- http://files.mountainblueharmony.com/uploads/1/3/1/8/131871501/7983c555cf.pdfIn PDF document text
- http://paviruvej.1enchantedcraft.com/uploads/1/3/0/7/130738946/9edb1941dc277c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/0899/1140/files/70439867193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5450/5885/files/93264185658.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8661/7501/files/b_lut_dn_s_nm_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5936/3478/files/you_know_my_name_chris_cornell_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/kubawaguwepizepitowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3664/5275/files/noise_complaint_letter_to_council_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dijupabexapuvasazanuripik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7318/3643/files/bimevisifekupal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0866/3462/files/bedejuzoriruk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4939/4080/files/pfsense_freenas_jail.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/suxomokil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8674/0646/files/windows_10_taskbar_color.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_off00006304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6304 | 5328 bytes |
SHA-256: a7c73f466ed92de963ca950556c1c95f89a578b22afad59da39fa53bdc222e68 |
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font_01_sfnt_off00007505.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7505 | 11656 bytes |
SHA-256: d56724416af2d9cf62e2689606d6e4b3e08ef03106a2d3507c2315bfed72f264 |
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font_02_sfnt_off00009af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AF7 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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