MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of external links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary malicious payload delivery mechanism. The document body, though heavily obfuscated, contains the same malicious URL and a benign-looking title, reinforcing the lure.
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/wix?keyword=ba+1st+year+book++sociology In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5520/9879/files/calendario_serie_a_18_19_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2905/9992/files/busaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1682/0635/files/34258317491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2764/5084/files/leramajepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0923/5353/files/1407557078.pdfIn PDF document text
- https://static.usrfiles.com/ugd/47b1e8_00fbeb762769477f9f18132802ce6674.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_1aa0283f45e24b3c9990fc3d1ef8b32f.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8916/4440/files/18899418862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/6918/5686/files/canarios_gaspar_sanz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/zosafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2785/5522/files/rozataxafofonaxitipepokuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1161/6418/files/procedimento_cautelare_uniforme.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cc14e4_a5102526ce1c4562a2fc556985af5238.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0cd3a8_62054e3c915648ad95b9031878fe9e4a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9d01c966a0c143d886debc6ec7c5fe9d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/296484_edf970e1af564ffa933de394dbe6df84.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e1d12c_6633b9a79d6c4be092a1670401215670.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ed0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ED0 | 5376 bytes |
SHA-256: 970db98d9375a2dd9591e82fc62bbace116da648b39a3aefd4d302713c3bdbee |
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font_01_sfnt_off00008139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8139 | 2596 bytes |
SHA-256: 82c047ac093810968bc043e1395e19a776fddf61b5ae473d26a3e46c73460b1c |
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font_02_sfnt_off00008cbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CBC | 2320 bytes |
SHA-256: 5e067315a2bd9524b6254977960f062bb129990ed69868068e29b4596197f3c8 |
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font_03_sfnt_off0000970f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x970F | 10440 bytes |
SHA-256: 398ca803b695a57b9c765d37f0f61a8b843351ab9fdef8246b5504a633d96ce2 |
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font_04_sfnt_off0000baaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAAF | 16224 bytes |
SHA-256: a349519ccbdbca3d75704c2becf615ab37801eb1543272228454131dceb83acc |
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