MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=unit+6+chapter+18+viruses+and+bacteria+answers'. This URL is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, also contains this URL, reinforcing its role in the attack. The presence of a PDF link farm heuristic further suggests a malicious intent to distribute links.
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.me/wix?keyword=unit+6+chapter+18+viruses+and+bacteria+answers In 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/1/0447/4889/8458/files/3431667982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5384/9499/files/72859574554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/7087/3762/files/chrome_offline_installer_msi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0111/0940/files/48789646987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0483/8948/8792/files/lincs_vocabulary_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9356/6364/files/artificial_intelligence_in_agriculture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3774/4534/files/2109434174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2652/0987/files/63040067338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3782/6973/files/coulombic_attraction_answer_key.pdfIn PDF document text
- https://64ba299f-7b06-4285-af20-ce12427a5a15.filesusr.com/ugd/d2057d_70c8c9194b984a1593124b11e411eb51.pdf?index=trueIn PDF document text
- https://70f61415-854f-47bb-93c8-9bb6ee290bd9.filesusr.com/ugd/e2c6c1_0a27a7926c454e319fdf82818ad068bf.pdf?index=trueIn PDF document text
- https://3c30db5b-6ef9-4dc2-b2ee-9272075fc109.filesusr.com/ugd/df4650_bc7121b7f99d4dc8bbf3746a10e87a32.pdf?index=trueIn PDF document text
- https://e75e4d5f-629b-45c3-875a-b8a73a598c87.filesusr.com/ugd/1b0481_d57001b406dd44589f80ab8f579385af.pdf?index=trueIn PDF document text
- https://33fa6857-0fa2-4cfe-ab5f-140bbeb3f0f0.filesusr.com/ugd/c63dba_e0fc6fc928bf4375a67e366bc904ea48.pdf?index=trueIn PDF document text
- https://f4ce190f-62ea-48c7-addf-60a32b07cce6.filesusr.com/ugd/9ea9b6_82b532ec1d3c48c9b6b7703ab3a929f1.pdf?index=trueIn PDF document text
- https://706bf9f3-df4b-4280-9d2d-8e8e2c137bae.filesusr.com/ugd/c8df25_f850c9e1fc7e4e9c8511e6373869f226.pdf?index=trueIn PDF document text
- https://e5b514d8-ff53-499b-8eac-5db398a93f57.filesusr.com/ugd/b7ab08_0b8fe039e0984689958871ba86f3767a.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a60b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA60B | 5812 bytes |
SHA-256: 702a904c5ad91d03e1e6659782b4accffcdcdbbe62764333a5d5a0d17ac8f524 |
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font_01_sfnt_off0000b9e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9E6 | 14884 bytes |
SHA-256: 46770683904e195e3c338788ddb17511822d7984bda8782adec3bb8d6352d084 |
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font_02_sfnt_off0000e824.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE824 | 16316 bytes |
SHA-256: aca9d55988c6676475e3b08f81553e0332b16fe059812fe008bdba06dc22cfc1 |
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