MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.cc/pify?keyword=arabic+numbers+chart+pdf as malicious. The document body, though heavily obfuscated, contains this same URL and appears to be a lure for users searching for 'Arabic numbers chart pdf'. The ML classifier also strongly indicated maliciousness.
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=arabic+numbers+chart+pdf In PDF document text
- http://files.airbrushingwood.com/uploads/1/3/0/7/130775813/wumekibusexuxam_rujama_lezojuruxaj_mimeziwi.pdfIn PDF document text
- http://files.fundep.org/uploads/1/3/0/9/130969190/jiworefukaxitixasa.pdfIn PDF document text
- http://files.jennifercarrpainting.com/uploads/1/3/1/3/131380005/nekulujasoseb_pogijisetapoj_givimudofil.pdfIn PDF document text
- http://files.daletedder.com/uploads/1/3/1/4/131453365/luwevim_jafasepupavenoj_sekugaz.pdfIn PDF document text
- http://files.tautelab.org/uploads/1/3/0/7/130739212/a8a1a.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/1/0427/8976/5276/files/86377863667.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/geniduvaxesozumupufil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0723/6503/files/12602787197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/depifekewusukatabija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7057/1174/files/sasibevaxow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8980/3941/files/18199915979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/aprender_coreano_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1117/6610/files/bluebeam_revu_free_download_crack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6412/1749/files/jinasewitaguzafiten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/functional_specification_document_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7237/3414/files/14901747616.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_off0000881a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x881A | 5264 bytes |
SHA-256: 435ef90bacae8862f053b4011682faaf384255c8c5c2b5a7ed5eb4f6e5f4840b |
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font_01_sfnt_off000099c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99C5 | 10576 bytes |
SHA-256: 5aa1d05986d374aa9f6af75dfb8e6b08fe4fb27d6cec3b2b0de80b6cb1056d2f |
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font_02_sfnt_off0000bd08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD08 | 22252 bytes |
SHA-256: 0128757ccc1044f8281d375987796a1ca8b8f4ae45749472c9e074963ca23027 |
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font_03_sfnt_off0000e401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE401 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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