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 URLs, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the embedded URLs, 'https://ttraff.cc/pify?keyword=common+core+sheets+multiplication%2528+vertical+answers', is identified as a malicious redirector. The document body itself is largely unreadable, but the presence of the malicious redirector and the link farm strongly suggest a phishing or malware distribution attempt.
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=common+core+sheets+multiplication%2528+vertical+answers In PDF document text
- http://files.remodelestimator.com/uploads/1/3/2/6/132682210/d5042cc61.pdfIn PDF document text
- http://files.hacktheplanet.com/uploads/1/3/2/8/132816066/warabisisafame.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/1/0433/9829/9813/files/xepezor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7364/2406/files/snapchat_hack_tool.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3401/0015/files/5e_wild_magic_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7492/9308/files/51659032808.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3128/2335/files/bukhari_sharif_islamic_foundation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9222/9787/files/computer_beep_codes_and_their_meaning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0729/3086/files/79074720436.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4885/2904/files/40058796637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ninitegabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/84777263887.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000058ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58CA | 5308 bytes |
SHA-256: 02c7c1d554d97b8f24e5d664b44fcf100ef748f13f314ec0ffabf41c7ba41182 |
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font_01_sfnt_off00006ab8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB8 | 1704 bytes |
SHA-256: aa54cde9e36263ecadc91b349dc61f8e54c629802f094d33dff838cbca496332 |
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font_02_sfnt_off00007339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7339 | 10432 bytes |
SHA-256: f493c2fd5313b7656db73fe7616e600793e50cfa03c84b401339858b8417f84b |
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font_03_sfnt_off00009704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9704 | 16268 bytes |
SHA-256: 8cbacb05f0a52cfaa1e2a9600f4269925f74195c1ac77ce917115a2456082bce |
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