MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=amoeba+sisters+characteristics+of+life+worksheet+answers'. Additionally, it exhibits a PDF link farm behavior, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the PDF is intended to trick users into believing they need a password for an archive, likely to bypass security scanning.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=amoeba+sisters+characteristics+of+life+worksheet+answers In PDF document text
- http://tuvepafeb.absohome.net/uploads/1/3/1/4/131483167/3657348.pdfIn PDF document text
- http://files.crinancanalcottage.com/uploads/1/3/1/3/131380354/fd3493.pdfIn PDF document text
- http://files.tanawanhandycraft.com/uploads/1/3/0/7/130775554/f8a701d.pdfIn PDF document text
- http://mesipe.toganolasnackcompany.com/uploads/1/3/1/3/131384575/5539424.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/1/0437/6081/2190/files/plural_of_diagnosis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7670/5692/files/82979888515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/95685110986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7757/4551/files/wifosalozojewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4876/2529/files/samsung_mobile_warranty_card_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6661/2130/files/xetejufifusixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1799/3366/files/rugalajebir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/main_causes_of_unemployment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5302/1334/files/66418543312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3646/7619/files/movenetofabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5945/3860/files/fozuvedilasezomiwadipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7427/3948/files/80221977249.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_off0000a232.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA232 | 2828 bytes |
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f |
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font_01_sfnt_off0000ac2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC2C | 5404 bytes |
SHA-256: f466a0a17da3420a0da6ebef0ec560f07c914ebb6b5a70645e137adeeedc50c3 |
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font_02_sfnt_off0000be79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE79 | 9868 bytes |
SHA-256: 981e743a453e562fcdd89e8b611d9b9ad4a278123883561ea60e2e70e8cefbcb |
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