MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to redirector infrastructure, specifically identified as a link farm for SEO purposes. The primary redirector URL, https://ttraff.ru/pify?keyword=list+of+common+acids+and+bases+pdf, is flagged as malicious. This suggests a phishing or scam attempt where the document acts as an attachment to lure users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=list+of+common+acids+and+bases+pdf In PDF document text
- http://gabik.englandaccounting.com/uploads/1/3/0/8/130874493/dotaroxez-jesegomofurez.pdfIn PDF document text
- http://files.homersfund.org/uploads/1/3/0/7/130739204/gixevata_vogosonefepe.pdfIn PDF document text
- http://files.cliftonrefugeesponsorship.co.uk/uploads/1/3/2/3/132302883/771301.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/2131/8818/files/lagonifemurol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/rojeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2494/0184/files/basic_digital_electronics_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4456/8220/files/athlean_x_90_day_program_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/cds_exam_syllabus_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9142/6469/files/basic_isometric_drawing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3242/0264/files/kalabhairava_ashtakam_lyrics_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8326/7236/files/34745371169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5966/7363/files/appsc_panchayat_secretary_previous_papers_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7692/5078/files/watch_j_dorama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/3670/0835/files/couper_gratuit.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014325.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14325 | 2912 bytes |
SHA-256: d0763fbd271711262b0a26362cc9c99fb155632731fabfacbbfc72efdb3f7c44 |
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font_01_sfnt_off00014d88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D88 | 5044 bytes |
SHA-256: 67bb419db254c240f269834ce9455a52b699514fdb1394a67abbcae825052c28 |
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font_02_sfnt_off00015e8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E8A | 13244 bytes |
SHA-256: 8f8d814d3d2423af2c86d8fca92df49952d5d433283670a8467540eec0a94321 |
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font_03_sfnt_off00018943.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18943 | 16288 bytes |
SHA-256: 99a79d9109d1afeb679b26572aadcc1a8004b9462475e93ad348fc9a35c4d6b1 |
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font_04_sfnt_off00019eda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19EDA | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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