MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains references to 'alphabet worksheets pdf grade 1' and the URL https://ttraff.ru/pify?keyword=alphabet+worksheets+pdf+grade+1, suggesting a lure to disguise malicious redirection. No scripts were extracted, but the PDF structure and embedded links indicate a phishing or redirection 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.ru/pify?keyword=alphabet+worksheets+pdf+grade+1 In PDF document text
- http://files.homeplacefarmky.org/uploads/1/3/1/4/131438216/libonebejenif-leralozixobadi-bewamofelabera-vukevesi.pdfIn PDF document text
- http://roxipa.hummingbirdwordco.ca/uploads/1/3/2/7/132741555/c4addb42ba.pdfIn PDF document text
- http://files.charlesfarley.com/uploads/1/3/0/7/130775980/419b8058bef57.pdfIn PDF document text
- http://files.patricedworkinart.com/uploads/1/3/0/8/130874101/5474417.pdfIn PDF document text
- http://files.gentlemansmaven.com/uploads/1/3/0/7/130775427/7408630.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/1/0440/1594/3845/files/mississippi_state_board_of_cosmetology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2560/3488/files/15634852328.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9639/9265/files/61639539715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0230/4408/files/tixetuxeposebitisasikudot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9956/9829/files/vawixukabizul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5761/8850/files/jamimigurakup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5511/8501/files/65635679502.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/vefafezabimuwamunajapigom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2670/2755/files/43748438714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7122/6534/files/how_to_initialize_an_arraylist_in_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4317/6091/files/sojaxiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9029/files/79176813222.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_off00007693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7693 | 3364 bytes |
SHA-256: 6a0dd199cd4a36a31b3e668ae7c773f541e1bff28bd1a8102b5dcc3ccecec025 |
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font_01_sfnt_off00008298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8298 | 5640 bytes |
SHA-256: 44f2d729329bfbd429c8617a801adf78e846d871e65b4a56d898c604a04ccebd |
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font_02_sfnt_off000095d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95D9 | 10972 bytes |
SHA-256: 08e7976fb410147dbda602d6d957eb772cc322ef57138183bc465abca63b77b3 |
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