MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure. The document contains a large number of embedded links, many of which point to SEO-optimized PDF files, suggesting a link farm or phishing lure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=extra+long+staple+egyptian+cotton+sheets, which is used in conjunction with other benign-looking Shopify links to disguise the malicious intent. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=extra+long+staple+egyptian+cotton+sheets In PDF document text
- http://files.msbutchersclassroom.com/uploads/1/3/1/4/131406841/vofawojolu_vodovatuf_gakisaxezoxem_kuzozuluzenubi.pdfIn PDF document text
- http://files.kylefackrellmusic.com/uploads/1/3/1/4/131407625/bf3b7a4990.pdfIn PDF document text
- http://files.crwlodge.com/uploads/1/3/0/8/130813042/mejomiwe-komejorijulusif.pdfIn PDF document text
- http://vadirudu.seesparkles.com/uploads/1/3/1/4/131453858/8383939.pdfIn PDF document text
- http://files.encyclopediasonica.com/uploads/1/3/1/3/131398195/4094484.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/8436/2407/files/math_expressions_grade_5_volume_1_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/byte_array_to_file_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4922/2298/files/pupajexijejoxotuwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4031/7350/files/57857649793.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7916/3285/files/205641461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9208/9759/files/liridule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0110/9920/files/93690104996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1102/9667/files/houghton_mifflin_math_grade_3_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7470/7868/files/pitumakekukopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5660/4070/files/vojojajavizanobitu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/8296/1311/files/vizio_sound_bar_and_subwoofer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1637/1867/files/rejulot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5590/6973/files/xoxojutew.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000709f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x709F | 5324 bytes |
SHA-256: cd9b751091f3db044d226305f04b9d2d7c9164bae2f9ccd48fa4a4455f8c728a |
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font_01_sfnt_off000082c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82C1 | 10428 bytes |
SHA-256: b25973b89893403e8fd341bfcfbb8b2fa796179c5eface794f0402dfeaae2de7 |
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