MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link pointing to 'ttraff.cc', which is flagged as malicious. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to 'happy birthday fonts calligraphy'. No scripts were extracted, but the presence of the malicious redirector and the link farm structure strongly suggest a phishing or redirection attack.
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=happy+birthday+fonts+calligraphy In PDF document text
- http://nadefigik.jammiemelgar.com/uploads/1/3/0/7/130775350/ab8dba9f.pdfIn PDF document text
- http:///fontforge.sf.netIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://scripts.sil.orgThisIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9616/9886/files/56429172329.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/statistical_rethinking_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/33163832194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7777/1162/files/44689211407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4023/4911/files/antares_autotune_studio_one_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7850/6904/files/50194219503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9239/3640/files/11688401065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7465/8216/files/spanish_preterite_vs_imperfect_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/types_of_antimicrobial_agents.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files/59763426642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/4078/8895/files/nabegusiton.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0568/1562/files/72961416104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0457/4520/9500/files/68131341875.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://scripts.sil.org/In PDF document text
- http://scripts.sil.org/OFLAbyssinicaIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004cdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CDD | 5620 bytes |
SHA-256: bd7b18de9e7eb10c0b18aed82736293a61eae61742570c5058b7bccc13309621 |
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font_01_sfnt_off00005fe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE9 | 28692 bytes |
SHA-256: 4d578c43c50f6d87724e9c67c5296a81acb5cf55f95536f83a7e01238453d482 |
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font_02_sfnt_off0000914f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x914F | 12428 bytes |
SHA-256: e0f6c18ec52aecd4e68963d71c7044648317060773caa88fcb33a421ab6cc142 |
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font_03_sfnt_off0000bd53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD53 | 11920 bytes |
SHA-256: 1dafb440f17ba242016d697c3d0707173e728d879600add6a371cb6fe2e63780 |
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