MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, but one critical link directs to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains the title 'The importance of being earnest guided reading questions' and references wkhtmltopdf, suggesting a lure to disguise the malicious intent. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.
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=the+importance+of+being+earnest+guided+reading+questions In PDF document text
- http://retibovob.pegasustherapyot.com/uploads/1/3/2/6/132695663/zarewifupenumu-tulegobaxopi-zuxefe.pdfIn PDF document text
- http://zetid.hannahwebster.co.nz/uploads/1/3/2/3/132303382/zuwopib.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/1/0429/8362/0757/files/angular_form_control_valuechanges_on_blur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0380/4839/files/53820639768.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4082/3701/files/xirikomiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1839/3499/files/83300511734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/14614479977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5251/4971/files/ranodefeja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9809/5272/files/perizutesida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/nawojimoniwovelibemujow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/2987210121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5678/9664/files/72777355758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6171/3813/files/toro_ccr_3650_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6843/2288/files/jiwanawax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9779/2420/files/61504525320.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_off000052eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52EB | 5632 bytes |
SHA-256: a273b2d81cf862171515b2987729e8e3be89fbcfa9929270137d36191d8bfac6 |
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font_01_sfnt_off000065d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D2 | 9464 bytes |
SHA-256: d5a6374becc9819cd1ab3aa595e0bd2246cea4a911c02ad7e89b9c4ffb9aa76a |
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font_02_sfnt_off00008638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8638 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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