MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though obfuscated, suggests a lure related to 'sample authorization letter for bank transactions'. The presence of a callback phishing lure heuristic further supports a social engineering attack. The primary malicious link identified is https://ttraff.cc/pify?keyword=sample+authorization+letter+for+bank+transactions+pdf, which likely leads to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
-
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.
-
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.
-
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.
-
Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
-
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.
-
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=sample+authorization+letter+for+bank+transactions+pdf In PDF document text
- http://files.orangevalleycreations.com/uploads/1/3/1/3/131383510/bujofaketuwomidabej.pdfIn PDF document text
- http://files.starlovestudio.com/uploads/1/3/1/4/131453924/6281d8e18.pdfIn PDF document text
- http://zosumeneb.isocandles.com/uploads/1/3/0/7/130775045/vilajavudiva_gikuzezatagen.pdfIn PDF document text
- http://files.larkfox.org/uploads/1/3/1/8/131858661/wigewaziwalupo.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/1/0440/5841/1158/files/xadadodeziguwumezoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2258/9853/files/metulukagovidev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3089/6026/files/gabion_wall_design.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3575/4650/files/53908876934.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4016/2470/files/doladuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8606/1480/files/vipotoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3850/7169/files/java_programming_examples_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6265/7177/files/silezeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4120/8992/files/zelozisiwet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7537/0136/files/70004228104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/kipisenefanowemixezaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5222/1084/files/another_brick_in_the_wall_solo_tab.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63AB | 5752 bytes |
SHA-256: 766d5dca23c064a69caa1ab6f85b17e61d51a97d92c114c63b635f19149ebc74 |
|||
font_01_sfnt_off00007714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7714 | 10108 bytes |
SHA-256: d6ebbf381b5a8a4c952c9bb1544797c5fcccbde891e4a9a4386d5857d23f7c4b |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.