MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a coloring sheet download. The link leads to `https://ttraff.cc/pify?keyword=free+printable+coloring+sheets+of+dogs`, which is known to host malicious content. The document also contains a large number of other PDF links, likely for SEO manipulation or to host further malicious content. The ML classifier strongly indicated maliciousness.
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=free+printable+coloring+sheets+of+dogs In PDF document text
- http://files.tauthetazeta.com/uploads/1/3/0/9/130969477/kedonogu-balojola.pdfIn PDF document text
- http://files.rxmedicalmassage.com/uploads/1/3/1/4/131408899/9535708.pdfIn PDF document text
- http://files.2ndnaturedesign.net/uploads/1/3/2/7/132710772/mimezazito.pdfIn PDF document text
- http://vunepa.peterandpaulapixie.com/uploads/1/3/0/7/130738524/320114fc1.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/1/0431/6587/6379/files/gudezoxurivad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5322/5883/files/uc_browser_pc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3363/2661/files/66992576890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0549/2904/files/29883913589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/88319520116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1818/2041/files/the_file_itunes_library._itl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4869/0076/files/fuvikoniduju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1969/7310/files/xawavoladabokojevuwow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4677/2629/files/91224925292.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4143/0440/files/rainbow_rowell_wayward_son.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5668/5468/files/23850285097.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
🗂 Part of campaign:
formulastudentusa.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A5B | 5300 bytes |
SHA-256: d0eaeba426f6bf179468300d3e1ecb4e10e88b7efb3be3099089493ef3646449 |
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font_01_sfnt_off00005c40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C40 | 9600 bytes |
SHA-256: b27d490d6a721adc55dde2b1a6379435ad15fd30928b135449fc2294f069a83f |
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font_02_sfnt_off00007cfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CFB | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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